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40 70 9 40 71 0 40 71 1 40 71 2 40 71 3 40 71 4 40 71 5 40 71 6 40 71 7 40 71 8 40 71 9 40 72 0 40 72 1 40 72 2 40 72 3 40 72 4 40 72 5 40 72 6 40 72 7 40 72 8 40 72 9 40 73 0 40 73 1 29730 29729 29728 29727 29726 29725 29724 29723 29722 29721 29720 29719 29718 29717 29716 29715 29714 29713 29712 29711 29710 29709

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