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14 12 14 13 14 14 14 15 14 16 14 17 14 18 14 19 14 20 14 21 14 22 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985

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