|  | C1111233131211111211113313331333133313232321333133313331333131133133313331333132212111112322221 
  >> |  | C111123313121111121111331333133313331323232133313331333133313113313331333133313221211111232222 
  << |  | C1111233131211111211113313331333133313232321333133313331333131133133313331333132212111112322223 
  >> |  |