|  | C31232233133313221211113313331333133313113311331333133313121111133313331333133313133123231 
  >> |  | C3123223313331322121111331333133313331311331133133313331312111113331333133313331313312323 
  << |  | C31232233133313221211113313331333133313113311331333133313121111133313331333133313133123233 
  >> |  |