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77 9 78 0 78 1 78 2 78 3 78 4 78 5 78 6 78 7 78 8 78 9 2357 2356 2355 2354 2353 2352 2351 2350 2349 2348

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