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12 97 12 98 12 99 13 00 13 01 13 02 13 03 13 04 13 05 13 06 13 07 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947

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