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17 79 17 80 17 81 17 82 17 83 17 84 17 85 17 86 17 87 17 88 17 89 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956

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