C31231211111211111312133313331333133313331333133321123231333132313232122331   >>    C3123121111121111131213331333133313331333133313332112323133313231323212233   <<    C31231211111211111312133313331333133313331333133321123231333132313232122333   >>      C31231211111211111312133313331333133313331333133321123231333132313232122332   >>