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56 5 56 6 56 7 56 8 56 9 57 0 57 1 57 2 57 3 57 4 57 5 57 6 57 7 57 8 57 9 58 0 1707 1706 1705 1704 1703 1702 1701 1700 1699 1698 1697 1696 1695 1694 1693

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