MAYBE
(ignored inputs)COMMENT submitted by: Johannes Waldmann
Rewrite Rules:
   [ c(a(?x)) -> b(c(?x)),
     a(b(?x)) -> c(b(?x)),
     a(a(?x)) -> b(a(?x)),
     a(c(?x)) -> a(b(?x)),
     c(c(?x)) -> c(a(?x)),
     c(c(?x)) -> c(b(?x)),
     a(c(?x)) -> c(b(?x)),
     c(c(?x)) -> a(c(?x)),
     b(a(?x)) -> c(a(?x)),
     b(c(?x)) -> a(a(?x)),
     b(a(?x)) -> a(c(?x)),
     a(c(?x)) -> a(a(?x)),
     b(c(?x)) -> c(a(?x)),
     b(b(?x)) -> c(a(?x)),
     b(a(?x)) -> a(a(?x)),
     a(c(?x)) -> a(a(?x)),
     a(c(?x)) -> a(c(?x)),
     b(b(?x)) -> c(a(?x)),
     b(a(?x)) -> b(a(?x)),
     c(b(?x)) -> c(b(?x)) ]
Apply Direct Methods...
Inner CPs:
   [ c(c(b(?x_1))) = b(c(b(?x_1))),
     c(b(a(?x_2))) = b(c(a(?x_2))),
     c(a(b(?x_3))) = b(c(c(?x_3))),
     c(c(b(?x_6))) = b(c(c(?x_6))),
     c(a(a(?x_11))) = b(c(c(?x_11))),
     c(a(a(?x_15))) = b(c(c(?x_15))),
     c(a(c(?x_16))) = b(c(c(?x_16))),
     a(c(a(?x_8))) = c(b(a(?x_8))),
     a(a(a(?x_9))) = c(b(c(?x_9))),
     a(a(c(?x_10))) = c(b(a(?x_10))),
     a(c(a(?x_12))) = c(b(c(?x_12))),
     a(c(a(?x_13))) = c(b(b(?x_13))),
     a(a(a(?x_14))) = c(b(a(?x_14))),
     a(c(a(?x_17))) = c(b(b(?x_17))),
     a(b(a(?x_18))) = c(b(a(?x_18))),
     a(c(b(?x_1))) = b(a(b(?x_1))),
     a(a(b(?x_3))) = b(a(c(?x_3))),
     a(c(b(?x_6))) = b(a(c(?x_6))),
     a(a(a(?x_11))) = b(a(c(?x_11))),
     a(a(a(?x_15))) = b(a(c(?x_15))),
     a(a(c(?x_16))) = b(a(c(?x_16))),
     a(b(c(?x))) = a(b(a(?x))),
     a(c(a(?x_4))) = a(b(c(?x_4))),
     a(c(b(?x_5))) = a(b(c(?x_5))),
     a(a(c(?x_7))) = a(b(c(?x_7))),
     a(c(b(?x_19))) = a(b(b(?x_19))),
     c(b(c(?x))) = c(a(a(?x))),
     c(c(b(?x_5))) = c(a(c(?x_5))),
     c(a(c(?x_7))) = c(a(c(?x_7))),
     c(c(b(?x_19))) = c(a(b(?x_19))),
     c(b(c(?x))) = c(b(a(?x))),
     c(c(a(?x_4))) = c(b(c(?x_4))),
     c(a(c(?x_7))) = c(b(c(?x_7))),
     c(c(b(?x_19))) = c(b(b(?x_19))),
     a(b(c(?x))) = c(b(a(?x))),
     a(c(a(?x_4))) = c(b(c(?x_4))),
     a(c(b(?x_5))) = c(b(c(?x_5))),
     a(a(c(?x_7))) = c(b(c(?x_7))),
     a(c(b(?x_19))) = c(b(b(?x_19))),
     c(b(c(?x))) = a(c(a(?x))),
     c(c(a(?x_4))) = a(c(c(?x_4))),
     c(c(b(?x_5))) = a(c(c(?x_5))),
     c(c(b(?x_19))) = a(c(b(?x_19))),
     b(c(b(?x_1))) = c(a(b(?x_1))),
     b(b(a(?x_2))) = c(a(a(?x_2))),
     b(a(b(?x_3))) = c(a(c(?x_3))),
     b(c(b(?x_6))) = c(a(c(?x_6))),
     b(a(a(?x_11))) = c(a(c(?x_11))),
     b(a(a(?x_15))) = c(a(c(?x_15))),
     b(a(c(?x_16))) = c(a(c(?x_16))),
     b(b(c(?x))) = a(a(a(?x))),
     b(c(a(?x_4))) = a(a(c(?x_4))),
     b(c(b(?x_5))) = a(a(c(?x_5))),
     b(a(c(?x_7))) = a(a(c(?x_7))),
     b(c(b(?x_19))) = a(a(b(?x_19))),
     b(c(b(?x_1))) = a(c(b(?x_1))),
     b(b(a(?x_2))) = a(c(a(?x_2))),
     b(a(b(?x_3))) = a(c(c(?x_3))),
     b(c(b(?x_6))) = a(c(c(?x_6))),
     b(a(a(?x_11))) = a(c(c(?x_11))),
     b(a(a(?x_15))) = a(c(c(?x_15))),
     b(a(c(?x_16))) = a(c(c(?x_16))),
     a(b(c(?x))) = a(a(a(?x))),
     a(c(a(?x_4))) = a(a(c(?x_4))),
     a(c(b(?x_5))) = a(a(c(?x_5))),
     a(a(c(?x_7))) = a(a(c(?x_7))),
     a(c(b(?x_19))) = a(a(b(?x_19))),
     b(b(c(?x))) = c(a(a(?x))),
     b(c(a(?x_4))) = c(a(c(?x_4))),
     b(c(b(?x_5))) = c(a(c(?x_5))),
     b(a(c(?x_7))) = c(a(c(?x_7))),
     b(c(b(?x_19))) = c(a(b(?x_19))),
     b(c(a(?x_8))) = c(a(a(?x_8))),
     b(a(a(?x_9))) = c(a(c(?x_9))),
     b(a(c(?x_10))) = c(a(a(?x_10))),
     b(c(a(?x_12))) = c(a(c(?x_12))),
     b(a(a(?x_14))) = c(a(a(?x_14))),
     b(c(a(?x_17))) = c(a(b(?x_17))),
     b(b(a(?x_18))) = c(a(a(?x_18))),
     b(c(b(?x_1))) = a(a(b(?x_1))),
     b(b(a(?x_2))) = a(a(a(?x_2))),
     b(a(b(?x_3))) = a(a(c(?x_3))),
     b(c(b(?x_6))) = a(a(c(?x_6))),
     b(a(a(?x_11))) = a(a(c(?x_11))),
     b(a(a(?x_15))) = a(a(c(?x_15))),
     b(a(c(?x_16))) = a(a(c(?x_16))),
     a(b(c(?x))) = a(a(a(?x))),
     a(c(a(?x_4))) = a(a(c(?x_4))),
     a(c(b(?x_5))) = a(a(c(?x_5))),
     a(a(c(?x_7))) = a(a(c(?x_7))),
     a(c(b(?x_19))) = a(a(b(?x_19))),
     a(b(c(?x))) = a(c(a(?x))),
     a(c(a(?x_4))) = a(c(c(?x_4))),
     a(c(b(?x_5))) = a(c(c(?x_5))),
     a(a(c(?x_7))) = a(c(c(?x_7))),
     a(c(b(?x_19))) = a(c(b(?x_19))),
     b(c(a(?x_8))) = c(a(a(?x_8))),
     b(a(a(?x_9))) = c(a(c(?x_9))),
     b(a(c(?x_10))) = c(a(a(?x_10))),
     b(c(a(?x_12))) = c(a(c(?x_12))),
     b(c(a(?x_13))) = c(a(b(?x_13))),
     b(a(a(?x_14))) = c(a(a(?x_14))),
     b(b(a(?x_18))) = c(a(a(?x_18))),
     b(c(b(?x_1))) = b(a(b(?x_1))),
     b(b(a(?x_2))) = b(a(a(?x_2))),
     b(a(b(?x_3))) = b(a(c(?x_3))),
     b(c(b(?x_6))) = b(a(c(?x_6))),
     b(a(a(?x_11))) = b(a(c(?x_11))),
     b(a(a(?x_15))) = b(a(c(?x_15))),
     b(a(c(?x_16))) = b(a(c(?x_16))),
     c(c(a(?x_8))) = c(b(a(?x_8))),
     c(a(a(?x_9))) = c(b(c(?x_9))),
     c(a(c(?x_10))) = c(b(a(?x_10))),
     c(c(a(?x_12))) = c(b(c(?x_12))),
     c(c(a(?x_13))) = c(b(b(?x_13))),
     c(a(a(?x_14))) = c(b(a(?x_14))),
     c(c(a(?x_17))) = c(b(b(?x_17))),
     c(b(a(?x_18))) = c(b(a(?x_18))),
     a(b(a(?x))) = b(a(a(?x))),
     c(c(a(?x))) = c(a(c(?x))),
     c(c(b(?x))) = c(b(c(?x))),
     c(a(c(?x))) = a(c(c(?x))),
     b(c(a(?x))) = c(a(b(?x))),
     b(c(a(?x))) = c(a(b(?x))) ]
Outer CPs:
   [ a(b(?x_3)) = c(b(?x_3)),
     a(b(?x_3)) = a(a(?x_3)),
     a(b(?x_3)) = a(a(?x_3)),
     a(b(?x_3)) = a(c(?x_3)),
     c(a(?x_4)) = c(b(?x_4)),
     c(a(?x_4)) = a(c(?x_4)),
     c(b(?x_5)) = a(c(?x_5)),
     c(b(?x_6)) = a(a(?x_6)),
     c(b(?x_6)) = a(a(?x_6)),
     c(b(?x_6)) = a(c(?x_6)),
     c(a(?x_8)) = a(c(?x_8)),
     c(a(?x_8)) = a(a(?x_8)),
     c(a(?x_8)) = b(a(?x_8)),
     a(a(?x_9)) = c(a(?x_9)),
     a(c(?x_10)) = a(a(?x_10)),
     a(c(?x_10)) = b(a(?x_10)),
     a(a(?x_11)) = a(a(?x_11)),
     a(a(?x_11)) = a(c(?x_11)),
     c(a(?x_13)) = c(a(?x_13)),
     a(a(?x_14)) = b(a(?x_14)),
     a(a(?x_15)) = a(c(?x_15)) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
1035.trs: Failure(unknown CR)
(2 msec.)