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65 8 65 9 66 0 66 1 66 2 66 3 66 4 66 5 66 6 66 7 66 8 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967

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