1
21
20
20
2
2
1
1
3
2
1
1
5
1
0
0
6
0
-1
-1
7
2
1
1
8
2
1
1
9
2
1
1
10
21
20
20
11
2
1
1
14
2
1
1
15
2
1
1
16
2
1
1
17
1
0
0
23
2
1
1
24
2
1
1
