|  | C111123313331323113313331333133313331122112312111112111112111112111112111133132313331323132313321 
  >> |  | C11112331333132311331333133313331333112211231211111211111211111211111211113313231333132313231332 
  << |  | C111123313331323113313331333133313331122112312111112111112111112111112111133132313331323132313323 
  >> |  |