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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 27 42 2 27 42 3 27 42 4 27 42 5 27 42 6 27 42 7 27 42 8 27 42 9 27 43 0 27 43 1 18670 18669 18668 18667 18666 18665 18664 18663 18662 18661 18660 18659 18658 18657 18656 18655 18654 18653 18652 18651 18650 18649

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