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

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