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