0 3 6 0 7 8 0 0 1
7 0 0 5 0 0 0 0 4
0 0 0 0 0 3 0 0 7
9 0 1 0 0 2 0 4 0
2 0 0 0 8 0 0 0 6
0 6 0 9 0 0 7 0 8
3 0 0 8 0 0 0 0 0
6 0 0 0 0 7 0 0 2
8 0 0 1 9 0 4 7 0

4 3 6 2 7 8 9 5 1
7 2 8 5 1 9 6 3 4
1 9 5 6 4 3 2 8 7
9 8 1 7 6 2 3 4 5
2 7 3 4 8 5 1 9 6
5 6 4 9 3 1 7 2 8
3 1 7 8 2 4 5 6 9
6 4 9 3 5 7 8 1 2
8 5 2 1 9 6 4 7 3