*-----------------------------------------------*

*-----------------------------------------------*
| 6 4 X | 8 X X | X X 5 |
| X X X | X X X | X 7 8 |
| X X X | X X X | X X X |
|---------------+---------------+--------------- |
| X X X | X X X | 5 1 X |
| X X X | X 6 X | X X X |
| 8 X X | 3 5 X | 2 X X |
|---------------+---------------+---------------|
| 4 X X | 6 X X | 3 X 7 |
| X X 6 | X X X | 1 9 X |
| X X 7 | X X X | X 6 2 |
*-----------------------------------------------*
以上是9×9.81小方格、、要求根据已有的数字提示、在方格内填入1到9数字.
无论是横的还是竖着的、数字都不可以重合、每9个小方格、只能填入1到9数字、不能重合...