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46 7 46 8 46 9 47 0 47 1 47 2 47 3 47 4 47 5 47 6 47 7 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955

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