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