1
2
1
1
2
2
1
1
3
2
1
1
4
2
1
1
5
2
1
1
6
3
2
2
7
2
1
1
8
2
1
1
9
1
0
0
17
2
1
1
18
3
2
2
19
2
1
1
20
2
1
1
21
2
1
1
22
2
1
1
23
2
1
1
24
2
1
1
