|  | C1111233131211111211113313331333133313331312331333131133133313331333133313331122112323333321 
  >> |  | C111123313121111121111331333133313331333131233133313113313331333133313331333112211232333332 
  << |  | C1111233131211111211113313331333133313331312331333131133133313331333133313331122112323333323 
  >> |  |