MAYBE
147.99/55.35	MAYBE
147.99/55.35	
147.99/55.35	Problem:
147.99/55.35	 a(x1) -> b(x1)
147.99/55.35	 b(b(a(c(x1)))) -> a(c(c(a(a(a(x1))))))
147.99/55.35	
147.99/55.35	Proof:
147.99/55.35	 Open
147.99/55.35	EOF