在8X8格的国际象棋上摆放八个皇后，使其不能互相攻击，即任意两个皇后都不能处于同一行、同一列或同一斜线上，问有多少种摆法。-In the 8x8 grid of the International Chess Queen placed eight, making it unable to attack each other, that can not be any two Queen s in the same line, the same row or on the same slash an