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54 8 54 9 55 0 55 1 55 2 55 3 55 4 55 5 55 6 55 7 55 8 2139 2138 2137 2136 2135 2134 2133 2132 2131 2130

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