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66 7 66 8 66 9 67 0 67 1 67 2 67 3 67 4 67 5 67 6 67 7 2377 2376 2375 2374 2373 2372 2371 2370 2369 2368

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