C31231211111133131211113313331333133112111133132322121111331333132322121   >>    C3123121111113313121111331333133313311211113313232212111133133313232212   <<    C31231211111133131211113313331333133112111133132322121111331333132322123   >>      C31231211111133131211113313331333133112111133132322121111331333132322122   >>