MAYBE
Time: 0.048468
TRS:
 {                            app(app(app(app(filter2(), true()), f), x), xs) -> app(app(cons(), x), app(app(filter(), f), xs)),
                             app(app(app(app(filter2(), false()), f), x), xs) -> app(app(filter(), f), xs),
  app(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)),
                                  app(app(map(), f), app(app(cons(), x), xs)) -> app(app(cons(), app(f, x)), app(app(map(), f), xs)),
                                                    app(app(map(), f), nil()) -> nil(),
                               app(app(filter(), f), app(app(cons(), x), xs)) -> app(app(app(app(filter2(), app(f, x)), f), x), xs),
                                                 app(app(filter(), f), nil()) -> nil()}
 DP:
  DP:
   {                            app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)),
                                app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs),
                                app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x),
                                app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f),
                               app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs),
                               app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f),
    app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z),
    app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y),
    app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)),
    app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z),
    app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u),
    app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x),
    app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)),
    app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)),
    app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)),
                                    app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x),
                                    app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs),
                                    app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)),
                                    app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)),
                                 app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x),
                                 app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs),
                                 app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x),
                                 app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f),
                                 app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x))}
  TRS:
  {                            app(app(app(app(filter2(), true()), f), x), xs) -> app(app(cons(), x), app(app(filter(), f), xs)),
                              app(app(app(app(filter2(), false()), f), x), xs) -> app(app(filter(), f), xs),
   app(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)),
                                   app(app(map(), f), app(app(cons(), x), xs)) -> app(app(cons(), app(f, x)), app(app(map(), f), xs)),
                                                     app(app(map(), f), nil()) -> nil(),
                                app(app(filter(), f), app(app(cons(), x), xs)) -> app(app(app(app(filter2(), app(f, x)), f), x), xs),
                                                  app(app(filter(), f), nil()) -> nil()}
  UR:
   {                            app(app(app(app(filter2(), true()), f), x), xs) -> app(app(cons(), x), app(app(filter(), f), xs)),
                               app(app(app(app(filter2(), false()), f), x), xs) -> app(app(filter(), f), xs),
    app(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)),
                                    app(app(map(), f), app(app(cons(), x), xs)) -> app(app(cons(), app(f, x)), app(app(map(), f), xs)),
                                                      app(app(map(), f), nil()) -> nil(),
                                 app(app(filter(), f), app(app(cons(), x), xs)) -> app(app(app(app(filter2(), app(f, x)), f), x), xs),
                                                   app(app(filter(), f), nil()) -> nil(),
                                                                        a(w, v) -> w,
                                                                        a(w, v) -> v}
   EDG:
    {
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
     (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
    }
    EDG:
     {
      (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
      (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
      (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
      (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
      (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
      (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
      (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
      (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
      (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
      (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
      (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
      (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
      (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
     }
     EDG:
      {
       (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
       (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
       (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
       (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
       (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
       (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
       (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
       (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
       (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
       (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
       (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
       (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
       (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
      }
      EDG:
       {
        (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
        (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
        (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
        (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
        (app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
        (app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
        (app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(cons(), x), app(app(filter(), f), xs)))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(cons(), x))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), true()), f), x), xs) -> app#(filter(), f))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(app(app(filter2(), false()), f), x), xs) -> app#(filter(), f))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), x))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), z)))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), x), y)))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(:(), app(app(:(), app(app(:(), x), y)), z)))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(cons(), app(f, x)), app(app(map(), f), xs)))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(map(), f), app(app(cons(), x), xs)) -> app#(cons(), app(f, x)))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
        (app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
        (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x))
        (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(f, x)), f), x), xs))
        (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(f, x)), f), x))
        (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(app(filter2(), app(f, x)), f))
        (app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs), app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(filter2(), app(f, x)))
       }
       STATUS:
        arrows: 0.814236
        SCCS (2):
         Scc:
          { app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs),
           app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs),
                app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x),
                app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs),
             app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x)}
         Scc:
          {app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z),
           app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y),
           app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)),
           app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z),
           app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)}
         
         SCC (5):
          Strict:
           { app#(app(app(app(filter2(), true()), f), x), xs) -> app#(app(filter(), f), xs),
            app#(app(app(app(filter2(), false()), f), x), xs) -> app#(app(filter(), f), xs),
                 app#(app(map(), f), app(app(cons(), x), xs)) -> app#(f, x),
                 app#(app(map(), f), app(app(cons(), x), xs)) -> app#(app(map(), f), xs),
              app#(app(filter(), f), app(app(cons(), x), xs)) -> app#(f, x)}
          Weak:
          {                            app(app(app(app(filter2(), true()), f), x), xs) -> app(app(cons(), x), app(app(filter(), f), xs)),
                                      app(app(app(app(filter2(), false()), f), x), xs) -> app(app(filter(), f), xs),
           app(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)),
                                           app(app(map(), f), app(app(cons(), x), xs)) -> app(app(cons(), app(f, x)), app(app(map(), f), xs)),
                                                             app(app(map(), f), nil()) -> nil(),
                                        app(app(filter(), f), app(app(cons(), x), xs)) -> app(app(app(app(filter2(), app(f, x)), f), x), xs),
                                                          app(app(filter(), f), nil()) -> nil()}
          Open
         
         
         SCC (5):
          Strict:
           {app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), z),
            app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), x), y),
            app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)),
            app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), x), y)), z),
            app#(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app#(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)}
          Weak:
          {                            app(app(app(app(filter2(), true()), f), x), xs) -> app(app(cons(), x), app(app(filter(), f), xs)),
                                      app(app(app(app(filter2(), false()), f), x), xs) -> app(app(filter(), f), xs),
           app(app(:(), app(app(:(), app(app(:(), app(app(:(), C()), x)), y)), z)), u) -> app(app(:(), app(app(:(), x), z)), app(app(:(), app(app(:(), app(app(:(), x), y)), z)), u)),
                                           app(app(map(), f), app(app(cons(), x), xs)) -> app(app(cons(), app(f, x)), app(app(map(), f), xs)),
                                                             app(app(map(), f), nil()) -> nil(),
                                        app(app(filter(), f), app(app(cons(), x), xs)) -> app(app(app(app(filter2(), app(f, x)), f), x), xs),
                                                          app(app(filter(), f), nil()) -> nil()}
          Open