MAYBE
MAYBE
TRS:
 {
            g(h2(x, y, h1(z, u))) -> h2(s(x), y, h1(z, u)),
                   f(x, h1(y, z)) -> h2(0(), x, h1(y, z)),
                    f(j(x, y), y) -> g(f(x, k(y))),
                      k(h1(x, y)) -> h1(s(x), y),
                          k(h(x)) -> h1(0(), x),
  h2(x, j(y, h1(z, u)), h1(z, u)) -> h2(s(x), y, h1(s(z), u)),
                    i(f(x, h(y))) -> y,
         i(h2(s(x), y, h1(x, z))) -> z
 }
 Fail