游戏介绍： 有n个黑子和n个白子依次排好每次只能将相连的两个子向左或向右平移到空的位置，最终使得黑白两两相间，且中间没有空位，要求只能进行n次移动。-Game descr iption: There are n months n months Shirako sunspot and good order of each row can only be connected to two sub-level to the left or right position empty, and ult