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32 4 32 5 32 6 32 7 32 8 32 9 33 0 33 1 33 2 33 3 33 4 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960

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