North
West East
South

-2880
-2879
-2878
-2877
-2876
-2875
-2874
-2873
-2872
-2871
-2870
-2869
-2868
-2867
-2866
-2865
-2864
-2863
-2862
-2861
-2860
-2859
-2858
-2857
-2856
-2855
-2854
-2853
-2852
-2851
-2850
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