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72 37 72 38 72 39 72 40 72 41 72 42 72 43 72 44 72 45 72 46 72 47 36769 36768 36767 36766 36765 36764 36763 36762 36761 36760

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