197.84/50.60	MAYBE
197.84/50.60	
197.84/50.60	Problem:
197.84/50.60	 a(a(b(a(a(a(a(a(a(x1))))))))) -> a(a(a(a(a(a(a(a(b(a(a(a(b(x1)))))))))))))
197.84/50.60	
197.84/50.60	Proof:
197.84/50.60	 Open
197.84/50.61	EOF