2
9 9 6
0 0 0 1 1 2 2 2 3
0 2 -2 1 -1 0 2 -2 0
1 4
1 5
2 4
3 5
4 6
4 7
5 6
5 8
6 9
-1 0 1 2 3 10
5 3 4
-1 0 1 3 3
0 0 0 1 -1
1 2
2 3
4 5
0 1 2 3
