198.04/50.68	MAYBE
198.04/50.68	
198.04/50.68	Problem:
198.04/50.68	 a(b(a(a(a(a(a(a(x1)))))))) -> a(a(a(a(a(a(a(b(a(a(a(b(a(b(x1))))))))))))))
198.04/50.68	
198.04/50.68	Proof:
198.04/50.68	 Open
198.04/50.68	EOF