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10 37 10 38 10 39 10 40 10 41 10 42 10 43 10 44 10 45 10 46 10 47 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970

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