C2221333133313331311233132313331333133313331322133313331311223211231   >>    C222133313331333131123313231333133313331333132213331333131122321123   <<    C2221333133313331311233132313331333133313331322133313331311223211233   >>      C2221333133313331311233132313331333133313331322133313331311223211232   >>