|  | C1111233131211111211113313331333133313232212111133131133133313331333132313331333132211312131 
  >> |  | C111123313121111121111331333133313331323221211113313113313331333133313231333133313221131213 
  << |  | C1111233131211111211113313331333133313232212111133131133133313331333132313331333132211312133 
  >> |  |