1
2
1
1
2
2
1
1
3
2
1
1
4
2
1
1
5
2
1
1
6
2
1
1
7
3
2
2
8
2
1
1
9
2
1
1
14
2
1
1
15
2
1
1
16
2
1
1
17
2
1
1
18
0
-1
-1
19
2
1
1
20
2
1
1
23
3
2
2
24
2
1
1
