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