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。 -8X8 grid in the display of the chess Queen eight, making it unable to attack each other, that is, any two can not be Queen' s in the same line, same column or on the same slash and a