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71 5 71 6 71 7 71 8 71 9 72 0 72 1 72 2 72 3 72 4 72 5 11575 11574 11573 11572 11571 11570 11569 11568 11567 11566

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