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30 37 2 30 37 3 30 37 4 30 37 5 30 37 6 30 37 7 30 37 8 30 37 9 30 38 0 30 38 1 30 38 2 30 38 3 30 38 4 30 38 5 30 38 6 30 38 7 15477 15476 15475 15474 15473 15472 15471 15470 15469 15468 15467 15466 15465 15464 15463

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