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82 42 82 43 82 44 82 45 82 46 82 47 82 48 82 49 82 50 82 51 82 52 7174 7173 7172 7171 7170 7169 7168 7167 7166 7165

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