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39 74 6 39 74 7 39 74 8 39 74 9 39 75 0 39 75 1 39 75 2 39 75 3 39 75 4 39 75 5 39 75 6 30623 30622 30621 30620 30619 30618 30617 30616 30615 30614

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