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

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Text this: Finding representative set from massive data