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

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