MAYBE
89.97/52.24	MAYBE
89.97/52.24	
89.97/52.24	Problem:
89.97/52.24	 a(x1) -> x1
89.97/52.24	 a(b(x1)) -> c(a(c(x1)))
89.97/52.24	 c(c(x1)) -> b(b(b(a(x1))))
89.97/52.24	
89.97/52.24	Proof:
89.97/52.24	 Open
89.97/52.24	EOF