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72 66 72 67 72 68 72 69 72 70 72 71 72 72 72 73 72 74 72 75 72 76 8206 8205 8204 8203 8202 8201 8200 8199 8198 8197

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