|  | C312312111111331312111133133313231333133313112331323133313331333132313331331121111331323213111 
  >> |  | C31231211111133131211113313331323133313331311233132313331333133313231333133112111133132321311 
  << |  | C312312111111331312111133133313231333133313112331323133313331333132313331331121111331323213113 
  >> |  |