5
3
1 1
1 2 2 -1
3 2
1 1 -2
1 1 1
5
1 1
4 1 1
1 1
4 1 1
15
2 1
1 14 10 -7 7 -7 2 -6 6 -3 0 11 -5 5 -5 4
6 1
1 14 0 2 0 3 -9 9 2 -4 4 -4 -6 0 -2 13
5
1 1
4 1 1
5 1
4 1 -1
10000
1 2
4999 2 0 1
1 1 0
5001 2
4999 2 0 1
1 1 0