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34 7 34 8 34 9 35 0 35 1 35 2 35 3 35 4 35 5 35 6 35 7 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966

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