|  | C1111233131211111211113313331333133313232321333133313331333133112111113331333133313233323131 
  >> |  | C111123313121111121111331333133313331323232133313331333133313311211111333133313331323332313 
  << |  | C1111233131211111211113313331333133313232321333133313331333133112111113331333133313233323133 
  >> |  |