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

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發送短信 : Information processing second law for an information ratchet with finite tape