195.64/50.03	MAYBE
195.64/50.03	
195.64/50.03	Problem:
195.64/50.03	 a(x1) -> x1
195.64/50.03	 a(b(x1)) -> c(a(x1))
195.64/50.03	 c(c(x1)) -> b(c(b(a(x1))))
195.64/50.03	
195.64/50.03	Proof:
195.64/50.03	 Open
195.64/50.03	EOF