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53 2 53 3 53 4 53 5 53 6 53 7 53 8 53 9 54 0 54 1 54 2 54 3 54 4 54 5 54 6 54 7 2214 2213 2212 2211 2210 2209 2208 2207 2206 2205 2204 2203 2202 2201 2200

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