195.15/49.97	MAYBE
195.15/49.97	
195.15/49.97	Problem:
195.15/49.97	 a(x1) -> x1
195.15/49.97	 a(b(x1)) -> b(b(a(c(a(x1)))))
195.15/49.97	 b(x1) -> x1
195.15/49.97	 c(b(c(x1))) -> x1
195.15/49.97	
195.15/49.97	Proof:
195.15/49.97	 Open
195.15/49.98	EOF