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76 7 76 8 76 9 77 0 77 1 77 2 77 3 77 4 77 5 77 6 77 7 77 8 77 9 78 0 78 1 78 2 1710 1709 1708 1707 1706 1705 1704 1703 1702 1701 1700 1699 1698 1697 1696

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