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56 9 57 0 57 1 57 2 57 3 57 4 57 5 57 6 57 7 57 8 57 9 1668 1667 1666 1665 1664 1663 1662 1661 1660 1659

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