MAYBE
(ignored inputs)COMMENT submitted by: Hans Zantema
Rewrite Rules:
   [ a(b(a(?x))) -> b(a(b(?x))),
     b(a(b(?x))) -> a(b(a(?x))),
     a(c(a(?x))) -> c(a(c(?x))),
     c(a(c(?x))) -> a(c(a(?x))),
     b(c(b(?x))) -> c(b(c(?x))),
     c(b(c(?x))) -> b(c(b(?x))),
     p -> a(p),
     p -> b(p),
     p -> c(p) ]
Apply Direct Methods...
Inner CPs:
   [ a(a(b(a(?x_1)))) = b(a(b(b(?x_1)))),
     a(b(c(a(c(?x_2))))) = b(a(b(c(a(?x_2))))),
     b(b(a(b(?x)))) = a(b(a(a(?x)))),
     b(a(c(b(c(?x_4))))) = a(b(a(c(b(?x_4))))),
     a(c(b(a(b(?x))))) = c(a(c(b(a(?x))))),
     a(a(c(a(?x_3)))) = c(a(c(c(?x_3)))),
     c(c(a(c(?x_2)))) = a(c(a(a(?x_2)))),
     c(a(b(c(b(?x_5))))) = a(c(a(b(c(?x_5))))),
     b(c(a(b(a(?x_1))))) = c(b(c(a(b(?x_1))))),
     b(b(c(b(?x_5)))) = c(b(c(c(?x_5)))),
     c(b(a(c(a(?x_3))))) = b(c(b(a(c(?x_3))))),
     c(c(b(c(?x_4)))) = b(c(b(b(?x_4)))),
     a(b(b(a(b(?x))))) = b(a(b(b(a(?x))))),
     b(a(a(b(a(?x))))) = a(b(a(a(b(?x))))),
     a(c(c(a(c(?x))))) = c(a(c(c(a(?x))))),
     c(a(a(c(a(?x))))) = a(c(a(a(c(?x))))),
     b(c(c(b(c(?x))))) = c(b(c(c(b(?x))))),
     c(b(b(c(b(?x))))) = b(c(b(b(c(?x))))) ]
Outer CPs:
   [ a(p) = b(p),
     a(p) = c(p),
     b(p) = c(p) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
1282.trs: Failure(unknown CR)
(0 msec.)