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66 3 66 4 66 5 66 6 66 7 66 8 66 9 67 0 67 1 67 2 67 3 2174 2173 2172 2171 2170 2169 2168 2167 2166 2165

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