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45 7 45 8 45 9 46 0 46 1 46 2 46 3 46 4 46 5 46 6 46 7 46 8 46 9 47 0 47 1 47 2 1696 1695 1694 1693 1692 1691 1690 1689 1688 1687 1686 1685 1684 1683 1682

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