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12 9 13 0 13 1 13 2 13 3 13 4 13 5 13 6 13 7 13 8 13 9 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975

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