MAYBE
181.42/55.38	MAYBE
181.42/55.38	
181.42/55.38	Problem:
181.42/55.38	 a(x1) -> b(x1)
181.42/55.38	 b(a(b(c(x1)))) -> b(c(c(a(a(a(x1))))))
181.42/55.38	
181.42/55.38	Proof:
181.42/55.38	 Open
181.42/55.39	EOF