九宫格小游戏，自动出题和解题.九宫格（即3格宽×3格高）的正方形状，每一格又细分为一个九宫格。在每一个小九宫格中，分别填上1至9的数字，让整个大九宫格每一列、每一行的数字都不重复。 -Squares of small games, questions and solve problems automatically. Squares (ie, 3 cells wide × 3 grid H) of square-shaped, each divided into a fine grid sq