C31231211111133131211113313331333133112111133133313331323223313332322121   >>    C3123121111113313121111331333133313311211113313331333132322331333232212   <<    C31231211111133131211113313331333133112111133133313331323223313332322123   >>      C31231211111133131211113313331333133112111133133313331323223313332322122   >>