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