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