MAYBE
128.45/55.31	MAYBE
128.45/55.31	
128.45/55.31	Problem:
128.45/55.31	 a(x1) -> b(x1)
128.45/55.31	 a(b(c(x1))) -> c(a(c(a(a(x1)))))
128.45/55.31	 c(c(x1)) -> x1
128.45/55.31	
128.45/55.31	Proof:
128.45/55.31	 Open
128.45/55.32	EOF