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31 04 31 05 31 06 31 07 31 08 31 09 31 10 31 11 31 12 31 13 31 14 31 15 31 16 31 17 31 18 31 19 38252 38251 38250 38249 38248 38247 38246 38245 38244 38243 38242 38241 38240 38239 38238

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