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14 02 14 03 14 04 14 05 14 06 14 07 14 08 14 09 14 10 14 11 14 12 14 13 14 14 14 15 14 16 14 17 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975

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