|  | C1111233131211111211113313331333133313331312331333131133133313331333133312111133131133132313121 
  >> |  | C111123313121111121111331333133313331333131233133313113313331333133313331211113313113313231312 
  << |  | C1111233131211111211113313331333133313331312331333131133133313331333133312111133131133132313123 
  >> |  |