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52 27 9 52 28 0 52 28 1 52 28 2 52 28 3 52 28 4 52 28 5 52 28 6 52 28 7 52 28 8 52 28 9 52 29 0 52 29 1 52 29 2 52 29 3 52 29 4 52 29 5 52 29 6 52 29 7 52 29 8 52 29 9 52 30 0 52 30 1 17180 17179 17178 17177 17176 17175 17174 17173 17172 17171 17170 17169 17168 17167 17166 17165 17164 17163 17162 17161 17160 17159

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