C2221333133313331311233132313331333133313331311233133313311223322231   >>    C222133313331333131123313231333133313331333131123313331331122332223   <<    C2221333133313331311233132313331333133313331311233133313311223322233   >>      C2221333133313331311233132313331333133313331311233133313311223322232   >>