C3123121111331312121111331311331333133313232233131133131323223331   >>    C312312111133131212111133131133133313331323223313113313132322333   <<    C3123121111331312121111331311331333133313232233131133131323223333   >>      C3123121111331312121111331311331333133313232233131133131323223332   >>