195.68/49.86	MAYBE
195.68/49.86	
195.68/49.86	Problem:
195.68/49.86	 a(x1) -> x1
195.68/49.86	 a(b(x1)) -> b(c(a(a(x1))))
195.68/49.86	 b(c(x1)) -> x1
195.68/49.86	 c(c(x1)) -> b(x1)
195.68/49.86	
195.68/49.86	Proof:
195.68/49.86	 Open
195.79/49.86	EOF