|  | C3123121111331312121111331333133313331331121133133313331333133313331333131211111211111231123131 
  >> |  | C312312111133131212111133133313331333133112113313331333133313331333133313121111121111123112313 
  << |  | C3123121111331312121111331333133313331331121133133313331333133313331333131211111211111231123133 
  >> |  |