|  | C312312111133131212111133133313331333133112113313331333131312111133133313331312111133132331121 
  >> |  | C31231211113313121211113313331333133313311211331333133313131211113313331333131211113313233112 
  << |  | C312312111133131212111133133313331333133112113313331333131312111133133313331312111133132331123 
  >> |  |