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15 0 15 1 15 2 15 3 15 4 15 5 15 6 15 7 15 8 15 9 16 0 1936 1935 1934 1933 1932 1931 1930 1929 1928 1927

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