C13332313311211113313331333133313331322333133313331333132213311211112233231   >>    C1333231331121111331333133313331333132233313331333133313221331121111223323   <<    C13332313311211113313331333133313331322333133313331333132213311211112233233   >>      C13332313311211113313331333133313331322333133313331333132213311211112233232   >>