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 __   _     ______    ____     _    _    __   _   
| || | ||  /_   _//  |  _ \\  | || | || | || | || 
| '--' ||   -| ||-   | |_| || | || | || | '--' || 
| .--. ||   _| ||_   | .  //  | \\_/ || | .--. || 
|_|| |_||  /_____//  |_|\_\\   \____//  |_|| |_|| 
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發送短信 : Token based HVAC scheduling for a large building