(RULES
  b -> h(c,f(b))
  a -> c
  h(h(h(f(a),a),a),f(f(f(h(h(f(b),b),b))))) -> a
  c -> h(f(h(c,f(f(c)))),f(b))
)
(COMMENT Generated ground TRSs, evenly distributed in the UNR/UNC/NFP/CR hierarchy.)