2
1
0
1
2
1
0
2
3
2
1
3
1
0
-1
4
3
2
1
5
2
1
0
6
1
0
-1
8
3
2
1
9
2
1
0
10
2
1
0
11
3
2
1
12
2
1
0
13
2
1
0
14
2
1
0
15
3
2
1
16
2
1
0
17
2
1
0
18
2
1
0
19
2
1
0
20
2
1
0
21
3
2
1
22
2
1
0
23
2
1
0
24
2
1
0
25
2
1
0