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37 91 4 37 91 5 37 91 6 37 91 7 37 91 8 37 91 9 37 92 0 37 92 1 37 92 2 37 92 3 37 92 4 2644 2643 2642 2641 2640 2639 2638 2637 2636 2635

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