|  | C1111233131211111211113313331333133313331312331333131133133313331333133313231311331311131 
  >> |  | C111123313121111121111331333133313331333131233133313113313331333133313331323131133131113 
  << |  | C1111233131211111211113313331333133313331312331333131133133313331333133313231311331311133 
  >> |  |