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14 42 14 43 14 44 14 45 14 46 14 47 14 48 14 49 14 50 14 51 14 52 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968

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