|  | C1111233131211111211113313231333133313331323331333131211113313331333133313221333131133232321 
  >> |  | C111123313121111121111331323133313331333132333133313121111331333133313331322133313113323232 
  << |  | C1111233131211111211113313231333133313331323331333131211113313331333133313221333131133232323 
  >> |  |