4
2
1
1
5
2
1
1
6
2
1
1
7
2
1
1
10
2
1
1
11
2
1
1
12
1
0
0
13
2
1
1
14
2
1
1
15
2
1
1
16
1
0
0
17
1
0
0
18
2
1
1
