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