|  | C31232233133313221211113313331333133313331212111133133313221333133313331333133313331333221231 
  >> |  | C3123223313331322121111331333133313331333121211113313331322133313331333133313331333133322123 
  << |  | C31232233133313221211113313331333133313331212111133133313221333133313331333133313331333221233 
  >> |  |