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27 39 9 27 40 0 27 40 1 27 40 2 27 40 3 27 40 4 27 40 5 27 40 6 27 40 7 27 40 8 27 40 9 27 41 0 27 41 1 27 41 2 27 41 3 27 41 4 27 41 5 27 41 6 27 41 7 27 41 8 27 41 9 27 42 0 27 42 1 18650 18649 18648 18647 18646 18645 18644 18643 18642 18641 18640 18639 18638 18637 18636 18635 18634 18633 18632 18631 18630 18629

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