4
0
10
-4
22
-22
6
-18
0
-10
4
-8
-6
-4
-6
-8
0
6
-4
6
-12
2
-8
10
22
2
12
6
-4
2
16
16
40
34
-48
-16
-10
0
-2
0
4
16
-10
0
0
4
18
