|  | C312312111111331312111133133313331312111112111133312111111331333133313231333133313331313222311 
  >> |  | C31231211111133131211113313331333131211111211113331211111133133313331323133313331333131322231 
  << |  | C312312111111331312111133133313331312111112111133312111111331333133313231333133313331313222313 
  >> |  |