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