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14 05 14 06 14 07 14 08 14 09 14 10 14 11 14 12 14 13 14 14 14 15 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968

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