|  | C11111211113313112113313331333133313231121131211111133133313121111133313331333133313331313331323321 
  >> |  | C1111121111331311211331333133313331323112113121111113313331312111113331333133313331333131333132332 
  << |  | C11111211113313112113313331333133313231121131211111133133313121111133313331333133313331313331323323 
  >> |  |