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13 01 13 02 13 03 13 04 13 05 13 06 13 07 13 08 13 09 13 10 13 11 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955

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