MAYBE
102.80/55.34	MAYBE
102.80/55.34	
102.80/55.34	Problem:
102.80/55.34	 a(x1) -> b(c(b(x1)))
102.80/55.34	 b(b(c(x1))) -> c(a(b(x1)))
102.80/55.34	 c(c(x1)) -> x1
102.80/55.34	
102.80/55.34	Proof:
102.80/55.34	 Open
102.80/55.34	EOF