195.96/50.08	MAYBE
195.96/50.08	
195.96/50.08	Problem:
195.96/50.08	 a(x1) -> x1
195.96/50.08	 a(b(x1)) -> b(c(a(a(x1))))
195.96/50.08	 c(c(c(x1))) -> a(b(x1))
195.96/50.08	
195.96/50.08	Proof:
195.96/50.08	 Open
196.14/50.08	EOF