|  | C11112331312111112111133132313331333133313232212111133133112111133133313331323333321 
  >> |  | C1111233131211111211113313231333133313331323221211113313311211113313331333132333332 
  << |  | C11112331312111112111133132313331333133313232212111133133112111133133313331323333323 
  >> |  |