C3123121111113313121111331333133313223313121111121111331322332331   >>    C312312111111331312111133133313331322331312111112111133132233233   <<    C3123121111113313121111331333133313223313121111121111331322332333   >>      C3123121111113313121111331333133313223313121111121111331322332332   >>