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  ______    ______   __   _     ______            
 /_   _//  /_   _// | || | ||  /_   _//   ____    
   | ||     -| ||-  | '--' ||   -| ||-   |    \\  
  _| ||     _| ||_  | .--. ||   _| ||_   | [] ||  
 /__//     /_____// |_|| |_||  /_____//  |  __//  
 `--`      `-----`  `-`  `-`   `-----`   |_|`-`   
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發送短信 : Self-repairing homomorphic codes for distributed storage systems