7 0 3 0 3 0 4 0 4 1 3 1 7 4 4
2 0 3 0 3
3 0 3 0 3 0 3
2 0 1 2 1
5 0 3 1 3 2 3 3 3 4 3
5 0 3 1 4 2 5 3 6 3 7
10 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 3
0