|  | C3123121111113313121111331333133313311211113313331333132313113313331333133313121121132311 
  >> |  | C312312111111331312111133133313331331121111331333133313231311331333133313331312112113231 
  << |  | C3123121111113313121111331333133313311211113313331333132313113313331333133313121121132313 
  >> |  |