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19 97 19 98 19 99 20 00 20 01 20 02 20 03 20 04 20 05 20 06 20 07 58776 58775 58774 58773 58772 58771 58770 58769 58768 58767

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