195.04/49.81	MAYBE
195.04/49.81	
195.04/49.81	Problem:
195.04/49.81	 a(x1) -> x1
195.04/49.81	 a(b(x1)) -> b(a(c(b(a(x1)))))
195.04/49.81	 b(x1) -> x1
195.04/49.81	 c(c(x1)) -> x1
195.04/49.81	
195.04/49.81	Proof:
195.04/49.81	 Open
195.23/49.82	EOF