MAYBE
131.76/55.35	MAYBE
131.76/55.35	
131.76/55.35	Problem:
131.76/55.35	 a(x1) -> b(x1)
131.76/55.35	 a(b(a(c(x1)))) -> c(c(a(a(a(a(x1))))))
131.76/55.35	
131.76/55.35	Proof:
131.76/55.35	 Open
131.76/55.35	EOF