3
2
1
1
4
2
1
1
5
2
1
1
7
2
1
1
10
2
1
1
12
2
1
1
13
2
1
1
15
2
1
1
16
2
1
1
19
2
1
1
23
3
2
2
24
2
1
1
25
2
1
1
