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77 5 77 6 77 7 77 8 77 9 78 0 78 1 78 2 78 3 78 4 78 5 1327 1326 1325 1324 1323 1322 1321 1320 1319 1318

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