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17 05 17 06 17 07 17 08 17 09 17 10 17 11 17 12 17 13 17 14 17 15 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976

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