(RULES
  h(f(f(c)),b) -> f(h(h(h(c,h(f(h(c,f(b))),a)),b),c))
  c -> c
  f(f(h(h(f(a),a),c))) -> f(h(f(c),b))
  h(f(h(f(b),h(h(f(h(c,f(c))),b),a))),h(a,c)) -> c
)
(COMMENT
Cops #647 - #721: generated ground TRSs; evenly distributed in the
UNR/UNC/NFP/CR hierarchy
submitted by: Bertram Felgenhauer
)