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90 94 90 95 90 96 90 97 90 98 90 99 91 00 91 01 91 02 91 03 91 04 6242 6241 6240 6239 6238 6237 6236 6235 6234 6233

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