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

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發送短信 : Human approach to graders