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52 3 52 4 52 5 52 6 52 7 52 8 52 9 53 0 53 1 53 2 53 3 2203 2202 2201 2200 2199 2198 2197 2196 2195 2194

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