|  | C1111233131211111211113313331333133313232321331133132313331333131133133313331333132313331333131112321 
  >> |  | C111123313121111121111331333133313331323232133113313231333133313113313331333133313231333133313111232 
  << |  | C1111233131211111211113313331333133313232321331133132313331333131133133313331333132313331333131112323 
  >> |  |