C31231211111211111312133313331333133313331333133321123231333132322231322331   >>    C3123121111121111131213331333133313331333133313332112323133313232223132233   <<    C31231211111211111312133313331333133313331333133321123231333132322231322333   >>      C31231211111211111312133313331333133313331333133321123231333132322231322332   >>