3
2
1
1
4
2
1
1
7
2
1
1
8
2
1
1
9
2
1
1
10
2
1
1
12
1
0
0
13
2
1
1
14
2
1
1
15
2
1
1
16
2
1
1
18
7
6
6
19
2
1
1
20
2
1
1
21
1
0
0
22
2
1
1
