8
6
-1
4
1
1
1
1
5
-1
-1
8
0
0
0
0
9
-1
-1
8
0
6
0
0
9
-1
-1
8
0
8
0
0
11
3
2
12
0
8
0
0
7
17
17
17
17
17
17
17
17
-1
