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