1
2
1
1
2
2
1
1
3
2
1
1
4
2
1
1
7
2
1
1
9
3
2
2
10
2
1
1
11
2
1
1
12
2
1
1
13
2
1
1
14
2
1
1
15
2
1
1
16
2
1
1
