197.04/50.29	MAYBE
197.04/50.29	
197.04/50.29	Problem:
197.04/50.29	 a(x1) -> b(x1)
197.04/50.29	 b(a(a(c(x1)))) -> a(c(c(a(a(a(x1))))))
197.04/50.29	
197.04/50.29	Proof:
197.04/50.29	 Open
197.04/50.30	EOF