2
1
0
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
-1
-2
-2
8
3
2
2
9
2
1
1
11
2
1
1
12
2
1
1
13
2
1
1
14
4
3
3
15
3
2
2
16
1
0
0
17
2
1
1
18
3
2
2
20
2
1
1
21
2
1
1
22
2
1
1
23
2
1
1
24
3
2
2
