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