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

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Text this: Provably secure symmetric private information retrieval with quantum cryptography