MAYBE
146.18/55.47	MAYBE
146.18/55.47	
146.18/55.47	Problem:
146.18/55.47	 a(a(x1)) -> b(x1)
146.18/55.47	 b(a(x1)) -> a(b(x1))
146.18/55.47	 b(b(c(x1))) -> c(a(x1))
146.18/55.47	 b(b(x1)) -> a(a(a(x1)))
146.18/55.47	 c(a(x1)) -> b(a(c(x1)))
146.18/55.47	
146.18/55.47	Proof:
146.18/55.47	 Open
146.18/55.48	EOF