|  | C31231211113313121211113313331333133313311211331333133311211331333133313331323133313331333131212111 
  >> |  | C3123121111331312121111331333133313331331121133133313331121133133313331333132313331333133313121211 
  << |  | C31231211113313121211113313331333133313311211331333133311211331333133313331323133313331333131212113 
  >> |  |