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10 03 10 04 10 05 10 06 10 07 10 08 10 09 10 10 10 11 10 12 10 13 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970

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