|  | C1111233131211111211113313331333133313331322322331312111111331323133313331322122321 
  >> |  | C111123313121111121111331333133313331333132232233131211111133132313331333132212232 
  << |  | C1111233131211111211113313331333133313331322322331312111111331323133313331322122323 
  >> |  |