8
2
0 0 0 2 0 0
2
2 0 0 0 0 0
2
2 4 0 2 4 3
2
2 0 0 3 2 1
3
1 2 1 3 0 1 2 1
4
1 2 1 0 0 1 2 1 0 0
4
9 3 0 0 0 0 0 0 0 3
3
4 3 1 3 2 1 0 0