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

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發送短信 : Data augmentation using rotation and shifting