[begin]
1 8
2 0
3 1
4 8
5 8
[end]
[begin]
1 10
2 3
3 1
4 13
5 7
[end]
[begin]
1 3
2 1
3 0
4 4
5 2
[end]
[begin]
1 3
2 8
3 1
4 11
5 -5
[end]
[begin]
1 10
2 6
3 1
4 16
5 4
[end]
