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65 9 66 0 66 1 66 2 66 3 66 4 66 5 66 6 66 7 66 8 66 9 67 0 67 1 67 2 67 3 67 4 2450 2449 2448 2447 2446 2445 2444 2443 2442 2441 2440 2439 2438 2437 2436

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