C31231211111133131211113313331312111113331311331333132233132233131331121   >>    C3123121111113313121111331333131211111333131133133313223313223313133112   <<    C31231211111133131211113313331312111113331311331333132233132233131331123   >>      C31231211111133131211113313331312111113331311331333132233132233131331122   >>