5
2
1
1
6
2
1
1
7
0
-1
-1
15
2
1
1
16
2
1
1
17
2
1
1
18
2
1
1
19
2
1
1
20
3
2
2
21
3
2
2
22
2
1
1
23
2
1
1
24
1
0
0
