|  | C11112331312111112111133133313331333131121131211111133133312111133133313331333133313233222321 
  >> |  | C1111233131211111211113313331333133313112113121111113313331211113313331333133313331323322232 
  << |  | C11112331312111112111133133313331333131121131211111133133312111133133313331333133313233222323 
  >> |  |