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78 3 78 4 78 5 78 6 78 7 78 8 78 9 79 0 79 1 79 2 79 3 2291 2290 2289 2288 2287 2286 2285 2284 2283 2282

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