在一个具有8×8个方格的国际象棋盘上，从棋盘的任何一个方格开始，让马按照允许的走步规则（L形走法）走遍所有方格，每个方格至少并且只准走过一次。-In an 8 × 8 squares on the international chess board,start from any squar of chess board,Walking the horse in accordance with the rules allowed (L-shaped moves) traveled all the