|  | C313212111133131211331333133313331333133311233133313121111121111113313331333133313231322321 
  >> |  | C31321211113313121133133313331333133313331123313331312111112111111331333133313331323132232 
  << |  | C313212111133131211331333133313331333133311233133313121111121111113313331333133313231322323 
  >> |  |