|  | C221213331323133112111133133313331333112113121111121111331311331333133313113313331323131221 
  >> |  | C22121333132313311211113313331333133311211312111112111133131133133313331311331333132313122 
  << |  | C221213331323133112111133133313331333112113121111121111331311331333133313113313331323131223 
  >> |  |