6
2
1
1
7
2
1
1
8
2
1
1
9
2
1
1
10
2
1
1
11
2
1
1
12
2
1
1
13
2
1
1
14
2
1
1
17
2
1
1
18
2
1
1
20
2
1
1
21
5
4
4
23
2
1
1
24
1
0
0
