|  | C31232233133313221211113313331333132313331322121111133313121111331333132313331333133313112121 
  >> |  | C3123223313331322121111331333133313231333132212111113331312111133133313231333133313331311212 
  << |  | C31232233133313221211113313331333132313331322121111133313121111331333132313331333133313112123 
  >> |  |