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