|  | C11112331312111112111133133313331333133311222121111121111121111331333133313113313331312111113232221 
  >> |  | C1111233131211111211113313331333133313331122212111112111112111133133313331311331333131211111323222 
  << |  | C11112331312111112111133133313331333133311222121111121111121111331333133313113313331312111113232223 
  >> |  |