|  | C313212111133131211331333133313331311331333131211111211113313331333133313231322131131 
  >> |  | C31321211113313121133133313331333131133133313121111121111331333133313331323132213113 
  << |  | C313212111133131211331333133313331311331333131211111211113313331333133313231322131133 
  >> |  |