|  | C1111233133313231133133313231333133313331323312111133133313231333133313331311313331 
  >> |  | C111123313331323113313331323133313331333132331211113313331323133313331333131131333 
  << |  | C1111233133313231133133313231333133313331323312111133133313231333133313331311313333 
  >> |  |