C31231211113313112133313331311331333133313331333133112111133132211211331   >>    C3123121111331311213331333131133133313331333133313311211113313221121133   <<    C31231211113313112133313331311331333133313331333133112111133132211211333   >>      C31231211113313112133313331311331333133313331333133112111133132211211332   >>