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23 7 23 8 23 9 24 0 24 1 24 2 24 3 24 4 24 5 24 6 24 7 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958

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