198.09/50.45	MAYBE
198.09/50.45	
198.09/50.45	Problem:
198.09/50.45	 a(a(b(a(a(a(a(a(x1)))))))) -> a(a(a(a(a(a(a(b(a(a(b(a(a(b(x1))))))))))))))
198.09/50.45	
198.09/50.45	Proof:
198.09/50.45	 Open
198.18/50.46	EOF