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

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