C31231211111133131211113313331333132233133313331311331121132332111   >>    C3123121111113313121111331333133313223313331333131133112113233211   <<    C31231211111133131211113313331333132233133313331311331121132332113   >>      C31231211111133131211113313331333132233133313331311331121132332112   >>