1 5
2
3 7
2 3 1
0 1 1 0
1 2 2 0
2 8
5 6
0 2 1 2
2 8
1 1
0 0 1 0
2 2
2 2
0 1 1 0
2 3
3 3
0 2 1 1
2 4
3 1
1 0 0 1
0 0