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12 94 12 95 12 96 12 97 12 98 12 99 13 00 13 01 13 02 13 03 13 04 1959 1958 1957 1956 1955 1954 1953 1952 1951 1950

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