North
West East
South

0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
-1470
-1471
-1472
-1473
-1474
-1475
-1476
-1477
-1478
-1479
-1480
-1481
-1482
-1483
-1484
-1485
-1486
-1487
-1488
-1489
-1490
-1491
-1492
-1493
-1494
-1495
-1496
-1497
-1498
-1499
-1500