North
West East
South

-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
-990
-991
-992
-993
-994
-995
-996
-997
-998
-999
-1000
-1001
-1002
-1003
-1004
-1005
-1006
-1007
-1008
-1009
-1010
-1011
-1012
-1013
-1014
-1015
-1016
-1017
-1018
-1019
-1020