1
2
1
1
2
2
1
1
3
2
1
1
5
2
1
1
6
2
1
1
7
2
1
1
8
2
1
1
9
2
1
1
12
0
-1
-1
13
2
1
1
19
2
1
1
20
2
1
1
21
2
1
1
22
4
3
3
24
2
1
1
