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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 78 3 1796 1795 1794 1793 1792 1791 1790 1789 1788 1787 1786 1785 1784 1783 1782

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