|  | C11112331312111112111133133313331333132311211331311331323133313331333131133131131121 
  >> |  | C1111233131211111211113313331333133313231121133131133132313331333133313113313113112 
  << |  | C11112331312111112111133133313331333132311211331311331323133313331333131133131131123 
  >> |  |