1
2
1
1
2
2
1
1
3
2
1
1
4
2
1
1
5
2
1
1
6
2
1
1
7
2
1
1
8
2
1
1
9
2
1
1
10
2
1
1
12
2
1
1
13
2
1
1
14
2
1
1
15
4
3
3
21
1
0
0
