|  | C313212111133131211331333133313331311331333131211111211113313331312111133132313331333131323221211 
  >> |  | C31321211113313121133133313331333131133133313121111121111331333131211113313231333133313132322121 
  << |  | C313212111133131211331333133313331311331333131211111211113313331312111133132313331333131323221213 
  >> |  |