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41 77 1 41 77 2 41 77 3 41 77 4 41 77 5 41 77 6 41 77 7 41 77 8 41 77 9 41 78 0 41 78 1 28636 28635 28634 28633 28632 28631 28630 28629 28628 28627

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