|  | C31232233133313221211113313331333133313331212111133133311233133313113313331333131121321 
  >> |  | C3123223313331322121111331333133313331333121211113313331123313331311331333133313112132 
  << |  | C31232233133313221211113313331333133313331212111133133311233133313113313331333131121323 
  >> |  |