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