2
2
1
1
3
2
1
1
6
2
1
1
10
2
1
1
11
2
1
1
13
2
1
1
14
2
1
1
16
2
1
1
17
2
1
1
20
2
1
1
21
2
1
1
23
3
2
2
25
2
1
1
