|  | C31231211111133131211113313331333133112111133133313331312111133132313331333131121131311 
  >> |  | C3123121111113313121111331333133313311211113313331333131211113313231333133313112113131 
  << |  | C31231211111133131211113313331333133112111133133313331312111133132313331333131121131313 
  >> |  |