解密数独,帮个忙~

8 1 2 | 4 7 3 | 9 6 5
3 9 6 | 8 5 2 | 4 1 7
7 5 4 | 9 1 6 | 2 8 3
------+-------+------
2 4 9 | 5 8 7 | 1 3 6
1 6 8 | 3 4 9 | 5 7 2
5 7 3 | 2 6 1 | 8 4 9
------+-------+------
6 8 7 | 1 9 5 | 3 2 4
4 2 5 | 6 3 8 | 7 9 1
9 3 1 | 7 2 4 | 6 5 8