MAYBE
33.03/10.32	MAYBE
33.03/10.32	
33.03/10.32	Problem:
33.03/10.32	 a(x1) -> x1
33.03/10.32	 a(b(x1)) -> b(b(a(c(a(x1)))))
33.03/10.32	 c(c(b(x1))) -> a(x1)
33.03/10.32	
33.03/10.32	Proof:
33.03/10.32	 Open
33.03/10.32	EOF