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17 90 5 17 90 6 17 90 7 17 90 8 17 90 9 17 91 0 17 91 1 17 91 2 17 91 3 17 91 4 17 91 5 28704 28703 28702 28701 28700 28699 28698 28697 28696 28695

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