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33 77 33 78 33 79 33 80 33 81 33 82 33 83 33 84 33 85 33 86 33 87 2390 2389 2388 2387 2386 2385 2384 2383 2382 2381

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