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21 12 21 13 21 14 21 15 21 16 21 17 21 18 21 19 21 20 21 21 21 22 21 23 21 24 21 25 21 26 21 27 58607 58606 58605 58604 58603 58602 58601 58600 58599 58598 58597 58596 58595 58594 58593

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