197.14/50.45	MAYBE
197.14/50.45	
197.14/50.45	Problem:
197.14/50.45	 a(x1) -> b(x1)
197.14/50.45	 b(a(b(c(x1)))) -> a(c(c(a(a(a(x1))))))
197.14/50.45	
197.14/50.45	Proof:
197.14/50.45	 Open
197.14/50.45	EOF