题不对
0 0 4 7 0 5 0 0 0
0 0 2 6 0 0 8 0 0
0 9 0 4 0 0 0 5 3
5 0 0 0 0 0 4 8 9
(4) 1 6 0 0 0 0 0 7
8 (4) 0 0 0 2 0 6 0
0 0 7 0 0 6 9 0 0
0 0 0 9 0 7 2 0 0
000 000 000
题目有误。最后一行,二个9??第四宫还有二个4
6 8 4 7 3 5 1 9 2
3 5 2 6 1 9 8 7 4
7 9 1 4 2 8 6 5 3
5 7 3 2 6 1 4 8 9
9 2 8 5 7 4 3 1 6
4 1 6 8 9 3 5 2 7
8 4 9 3 5 2 7 6 1
2 3 7 1 8 6 9 4 5
1 6 5 9 4 7 2 3 8
哪个数独?