7
4
-4
2
2
-2
3
-5
-9
6
1
9
-2
0
-5
2
-11
11
-3
9
0
5
-2
4
3
2
3
4
0
-3
2
-3
6
-1
4
-5
-11
-1
-6
-3
2
-1
-8
-8
-20
-17
24
8
5
0
1
0
-2
-8
5
0
0
-2
-9
-4