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78 5 78 6 78 7 78 8 78 9 79 0 79 1 79 2 79 3 79 4 79 5 1959 1958 1957 1956 1955 1954 1953 1952 1951 1950

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