8
3 4
2 7 3 9 2 3 5 4
2 4
1 2 3 4
2 1
2 3 2 3
2 0
2 2 1 1
2 1
0 0 0 0
2 1
3 3 3 1
1 13
2 4
2 1
0 1 0 0
