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