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

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Text this: Finding representative set from massive data