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90 98 90 99 91 00 91 01 91 02 91 03 91 04 91 05 91 06 91 07 91 08 6213 6212 6211 6210 6209 6208 6207 6206 6205 6204

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