|  | C1111133313331323223313331333133313331323131211113313112121111331333133313112121311 
  >> |  | C111113331333132322331333133313331333132313121111331311212111133133313331311212131 
  << |  | C1111133313331323223313331333133313331323131211113313112121111331333133313112121313 
  >> |  |