MAYBE
197.81/55.38	MAYBE
197.81/55.38	
197.81/55.38	Problem:
197.81/55.38	 a(x1) -> b(x1)
197.81/55.38	 a(a(b(c(x1)))) -> b(c(c(a(a(a(x1))))))
197.81/55.38	
197.81/55.38	Proof:
197.81/55.38	 Open
197.81/55.38	EOF