1
2
1
1
2
2
1
1
3
2
1
1
4
2
1
1
5
2
1
1
6
2
1
1
8
0
-1
-1
9
1
0
0
12
2
1
1
13
2
1
1
19
3
2
2
20
2
1
1
21
2
1
1
22
2
1
1
23
2
1
1
24
2
1
1
