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