说明：  老鼠爬迷宫， 迷宫地图可自己设置， 老鼠走的路线，每走一步，都会实时输出，走错了会倒退，直到走出迷宫。
(Rats climbing maze, the maze map to their own settings, the mouse line, every step will be real-time output, is going the wrong way will lead to retrogression, until out of the maze.)