将马随机放在国际象棋的8* 8 棋盘Bord[8Ⅱ8]的某个方格中，马按走棋规则进行移动。要求每个方格上只进入一次，走遍棋盘上全部64个方格。 -Grid of the horse were randomly placed in the 8* 8 chess board Bord [8 Ⅱ 8] of a horse by playing chess rules to move it. Requirements on each square only enter once traveled