|  | C11112331312111112111133133313331333133311222121111121111121111331333133313231333132313331221 
  >> |  | C1111233131211111211113313331333133313331122212111112111112111133133313331323133313231333122 
  << |  | C11112331312111112111133133313331333133311222121111121111121111331333133313231333132313331223 
  >> |  |