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37 30 7 37 30 8 37 30 9 37 31 0 37 31 1 37 31 2 37 31 3 37 31 4 37 31 5 37 31 6 37 31 7 4255 4254 4253 4252 4251 4250 4249 4248 4247 4246

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