|  | C3132121111331312113313331333133313331121131211113313113313331333133313121111331311112121 
  >> |  | C313212111133131211331333133313331333112113121111331311331333133313331312111133131111212 
  << |  | C3132121111331312113313331333133313331121131211113313113313331333133313121111331311112123 
  >> |  |