每一行都用到1,2,3,4,5,6,7,8,9，位置不限， 每一列都用到1,2,3,4,5,6,7,8,9，位置不限， 每3×3的格子都用到1,2,3,4,5,6,7,8,9，位置不限， 游戏的的过程就是用1,2,3,4,5,6,7,8,9填充空白，并要求满足每行、每列、每个九宫格都用到1,2,3,4,5,6,7,8,9-Each line used 1,2,3,4,5,6,7,8,9, location open, each column are used 1,2,3,4,5,6,