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