说明：  一个很有意思的互动式的走迷宫程序。你可以用鼠标画出一个迷宫，然后电脑会找出迷宫走法。 当你点击"Go"按钮后，蓝色点会在你绘制的迷宫中试图找出通往绿色点的路径。
(a very interesting interactions between the Maze procedure. You can use the mouse painted a labyrinth, and then the computer would find the maze in law. When you click on the "Go" button, the blue points in your drawing the maze to try to find the point to the green path.)