|  | C1111233133313231133133313331333133311221123121111121111121111133313331333132311211311311 
  >> |  | C111123313331323113313331333133313331122112312111112111112111113331333133313231121131131 
  << |  | C1111233133313231133133313331333133311221123121111121111121111133313331333132311211311313 
  >> |  |