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13 98 13 99 14 00 14 01 14 02 14 03 14 04 14 05 14 06 14 07 14 08 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972

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