1
2
1
1
2
2
1
1
4
2
1
1
5
2
1
1
6
3
2
2
7
2
1
1
8
2
1
1
9
2
1
1
10
2
1
1
12
2
1
1
14
2
1
1
15
0
-1
-1
16
2
1
1
17
2
1
1
18
2
1
1
19
2
1
1
20
2
1
1
22
2
1
1
24
2
1
1
