|  | C312312111133131212111133133313331333133112113313331333133313331333131211113313331333112111121 
  >> |  | C31231211113313121211113313331333133313311211331333133313331333133313121111331333133311211112 
  << |  | C312312111133131212111133133313331333133112113313331333133313331333131211113313331333112111123 
  >> |  |