C31231211111133131211113313331333132233131211111211113313332323213232331   >>    C3123121111113313121111331333133313223313121111121111331333232321323233   <<    C31231211111133131211113313331333132233131211111211113313332323213232333   >>      C31231211111133131211113313331333132233131211111211113313332323213232332   >>