|  | C312312111133131212111133133313331333133112113313331333112113313331333133313331323133323132311 
  >> |  | C31231211113313121211113313331333133313311211331333133311211331333133313331333132313332313231 
  << |  | C312312111133131212111133133313331333133112113313331333112113313331333133313331323133323132313 
  >> |  |