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23 66 9 23 67 0 23 67 1 23 67 2 23 67 3 23 67 4 23 67 5 23 67 6 23 67 7 23 67 8 23 67 9 23 68 0 23 68 1 23 68 2 23 68 3 23 68 4 23 68 5 23 68 6 23 68 7 23 68 8 23 68 9 23 69 0 23 69 1 45181 45180 45179 45178 45177 45176 45175 45174 45173 45172 45171 45170 45169 45168 45167 45166 45165 45164 45163 45162 45161 45160

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