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76 8 76 9 77 0 77 1 77 2 77 3 77 4 77 5 77 6 77 7 77 8 77 9 78 0 78 1 78 2 78 3 1732 1731 1730 1729 1728 1727 1726 1725 1724 1723 1722 1721 1720 1719 1718

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