-8
-5
-4
-15
14
-18
-18
10
-11
5
12
-5
-4
5
-3
-20
15
-7
10
18
-3
4
-11
4
14
15
-6
-13
-11
-10
-5 -4 14 -18 10 -11 5 -3 15 4