|  | C312312111111331312111133132313331333131121211113313331311331333133313331323133313331313113121 
  >> |  | C31231211111133131211113313231333133313112121111331333131133133313331333132313331333131311312 
  << |  | C312312111111331312111133132313331333131121211113313331311331333133313331323133313331313113123 
  >> |  |