33 10
0 0 7 2 3 3 2 0 0 6
1 0 8 0 8 0 0 9 2 5
0 0 0 8 0 2 0 0 0 0
1 0 2 0 8 2 0 5 2 0
0 0 5 0 0 9 5 8 9 0
1 7 0 9 7 0 0 0 0 0
0 0 3 2 0 0 2 5 2 0
0 2 5 0 9 5 0 8 9 1
5 3 0 9 8 9 5 5 0 2
0 0 7 9 0 2 3 7 9 3
0 0 2 2 9 9 5 5 7 4
0 0 0 0 0 0 0 0 0 5
3 0 7 3 8 0 8 0 0 6
0 3 3 0 2 3 9 3 5 7
0 0 9 0 3 3 0 9 0 8
0 0 0 0 3 3 5 0 9 9
4 8 0 5 0 5 0 0 0 8
0 2 0 2 2 0 7 7 0 7
0 0 8 0 8 7 0 3 0 6
0 5 0 8 9 7 3 5 5 5
0 7 0 2 2 2 0 9 9 4
0 0 0 0 5 0 0 5 3 3
9 9 5 5 0 0 0 0 8 2
0 2 0 5 3 0 5 0 2 1
0 0 0 0 0 0 0 0 2 0
3 3 2 0 0 0 7 0 0 0
0 7 0 8 9 8 9 2 2 0
0 5 5 0 7 0 7 3 5 0
0 0 2 0 7 0 0 0 9 0
5 5 9 9 2 7 2 9 0 0
0 7 3 9 0 0 2 9 5 0
1 3 8 0 8 5 0 9 7 0
0 5 0 2 8 5 0 0 0 0