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

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