2
2
1
1
3
2
1
1
4
2
1
1
5
2
1
1
7
2
1
1
8
2
1
1
14
1
0
0
16
2
1
1
17
2
1
1
18
2
1
1
20
2
1
1
21
2
1
1
23
2
1
1
