1
2
1
1
2
2
1
1
4
2
1
1
5
2
1
1
6
2
1
1
7
3
2
2
8
2
1
1
9
2
1
1
10
2
1
1
11
2
1
1
12
3
2
2
13
2
1
1
14
2
1
1
15
2
1
1
16
0
-1
-1
17
3
2
2
18
2
1
1
19
2
1
1
20
2
1
1
21
2
1
1
22
2
1
1
23
2
1
1
24
2
1
1
