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12 80 12 81 12 82 12 83 12 84 12 85 12 86 12 87 12 88 12 89 12 90 2390 2389 2388 2387 2386 2385 2384 2383 2382 2381

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