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99 4 99 5 99 6 99 7 99 8 99 9 10 00 10 01 10 02 10 03 10 04 1928 1927 1926 1925 1924 1923 1922 1921 1920 1919

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