|  | C1111233131211111211113313331333133313232313331333133313331331121111132322333233231 
  >> |  | C111123313121111121111331333133313331323231333133313331333133112111113232233323323 
  << |  | C1111233131211111211113313331333133313232313331333133313331331121111132322333233233 
  >> |  |