|  | C312312111111331312111133133313331331121111331323221211113313331333133313311211113313231312111221 
  >> |  | C31231211111133131211113313331333133112111133132322121111331333133313331331121111331323131211122 
  << |  | C312312111111331312111133133313331331121111331323221211113313331333133313311211113313231312111223 
  >> |  |