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66 5 66 6 66 7 66 8 66 9 67 0 67 1 67 2 67 3 67 4 67 5 2109 2108 2107 2106 2105 2104 2103 2102 2101 2100

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