C31231211111133131211113313331333133112111133231333133313223313331323211   >>    C3123121111113313121111331333133313311211113323133313331322331333132321   <<    C31231211111133131211113313331333133112111133231333133313223313331323213   >>      C31231211111133131211113313331333133112111133231333133313223313331323212   >>