North
West East
South

-840
-839
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-837
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-833
-832
-831
-830
-829
-828
-827
-826
-825
-824
-823
-822
-821
-820
-819
-818
-817
-816
-815
-814
-813
-812
-811
-810
-480
-481
-482
-483
-484
-485
-486
-487
-488
-489
-490
-491
-492
-493
-494
-495
-496
-497
-498
-499
-500
-501
-502
-503
-504
-505
-506
-507
-508
-509
-510