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  ______   _    _    _    _    _    _     _____   
 /_   _// | || | || | |  | || | || | ||  / ____|| 
   | ||   | || | || | |/\| || | || | || / //---`' 
  _| ||   | \\_/ || |  /\  || | \\_/ || \ \\___   
 /__//     \____//  |_// \_||  \____//   \_____|| 
 `--`       `---`   `-`   `-`   `---`     `----`

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發送短信 : Effects of correlation in an information ratchet with finite tape