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36 77 0 36 77 1 36 77 2 36 77 3 36 77 4 36 77 5 36 77 6 36 77 7 36 77 8 36 77 9 36 78 0 6846 6845 6844 6843 6842 6841 6840 6839 6838 6837

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