3 0
1 50
2 51
1 52
1 5
1 6
1 7
4 0
1 30
1 29
1 30
10 0
1 31
4 4
1 5
5 0
4 2
1 5
7 0
3 1
8 0
1 28
1 27
3 1
11 0
1 20
1 30
1 10
1 9
7 0
3 2
7 0
2 2
1 0
1 14
6 17
20 15
1 16
10 0
1 30
1 32
1 0
1 30
1 0
1 30
10 0
7 3
9 0
