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82 9 83 0 83 1 83 2 83 3 83 4 83 5 83 6 83 7 83 8 83 9 84 0 84 1 84 2 84 3 84 4 1923 1922 1921 1920 1919 1918 1917 1916 1915 1914 1913 1912 1911 1910 1909

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