|  | C1111233131211111211113313231333133313331323331333131211113313331333131133133313121111331312322222321 
  >> |  | C111123313121111121111331323133313331333132333133313121111331333133313113313331312111133131232222232 
  << |  | C1111233131211111211113313231333133313331323331333131211113313331333131133133313121111331312322222323 
  >> |  |