C3123121111331312121111331311331333133313232233133313123223313223331   >>    C312312111133131212111133131133133313331323223313331312322331322333   <<    C3123121111331312121111331311331333133313232233133313123223313223333   >>      C3123121111331312121111331311331333133313232233133313123223313223332   >>