2
2
1
1
4
2
1
1
6
1
0
0
9
2
1
1
10
2
1
1
11
2
1
1
12
2
1
1
14
2
1
1
15
2
1
1
16
2
1
1
17
2
1
1
18
2
1
1
19
6
5
5
20
2
1
1
21
2
1
1
22
2
1
1
23
2
1
1
24
2
1
1
