|  | C3132121111331312113313331333133313113313331312111112111133133313331333132313331312112321 
  >> |  | C313212111133131211331333133313331311331333131211111211113313331333133313231333131211232 
  << |  | C3132121111331312113313331333133313113313331312111112111133133313331333132313331312112323 
  >> |  |