2
2
1
1
3
2
1
1
4
2
1
1
6
2
1
1
7
2
1
1
8
2
1
1
9
2
1
1
10
3
2
2
12
2
1
1
13
0
-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
