|  | C1111233131211111211113313331333133313231323331333131211113313331333131333133313331333121111132321111 
  >> |  | C111123313121111121111331333133313331323132333133313121111331333133313133313331333133312111113232111 
  << |  | C1111233131211111211113313331333133313231323331333131211113313331333131333133313331333121111132321113 
  >> |  |