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11 98 11 99 12 00 12 01 12 02 12 03 12 04 12 05 12 06 12 07 12 08 1955 1954 1953 1952 1951 1950 1949 1948 1947 1946

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