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

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Text this: Digital image watermarking based on fractal transform