|  | C1111233131211111211113313331333133313232212111133131133133313331333131211331333131221 
  >> |  | C111123313121111121111331333133313331323221211113313113313331333133313121133133313122 
  << |  | C1111233131211111211113313331333133313232212111133131133133313331333131211331333131223 
  >> |  |