2
2
1
1
3
2
1
1
5
2
1
1
8
2
1
1
9
2
1
1
12
2
1
1
13
2
1
1
16
4
3
3
17
2
1
1
18
2
1
1
19
2
1
1
21
2
1
1
24
2
1
1
25
2
1
1
