H6SC1959H6SC1960H6SC1961H6SC1962H6SC1963H6SC1964H6SC1965H6SC1966H6SC1967H6SC1968H6SC1969H6SC1970H6SC1971H6SC1972H6SC1973H6SC1974H6SC1975H6SC1976H6SC1977H6SC1978