21SC - AA  AVAILABLE IN STANDARD, STANDARD "S",   OFF-STANDARD AND OFF-STANDARD "S"   10SC32 - A AVAILABLE IN STANDARD AND OFF-STANDARD 10SC32 - AA  AVAILABLE IN STANDARD, STANDARD "S", OFF-STANDARD AND OFF-STANDARD "S" 10SC32 - A/B AVAILABLE IN STANDARD AND OFF-STANDARD 10SC32 - SUPER "C" AVAILABLE IN STANDARD AND OFF-STANDARD