C31231211111133131211113313331333132233133313331333133313113313331323323311   >>    C3123121111113313121111331333133313223313331333133313331311331333132332331   <<    C31231211111133131211113313331333132233133313331333133313113313331323323313   >>      C31231211111133131211113313331333132233133313331333133313113313331323323312   >>