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26 9 27 0 27 1 27 2 27 3 27 4 27 5 27 6 27 7 27 8 27 9 28 0 28 1 28 2 28 3 28 4 1455 1454 1453 1452 1451 1450 1449 1448 1447 1446 1445 1444 1443 1442 1441

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid