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21 87 9 21 88 0 21 88 1 21 88 2 21 88 3 21 88 4 21 88 5 21 88 6 21 88 7 21 88 8 21 88 9 21 89 0 21 89 1 21 89 2 21 89 3 21 89 4 21 89 5 21 89 6 21 89 7 21 89 8 21 89 9 21 90 0 21 90 1 46790 46789 46788 46787 46786 46785 46784 46783 46782 46781 46780 46779 46778 46777 46776 46775 46774 46773 46772 46771 46770 46769

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