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  _  _     _____    __   _    __   __    ______  
 | \| ||  |  ___|| | || | ||  \ \\/ //  /_____// 
 |  ' ||  | ||__   | '--' ||   \ ` //   `____ `  
 | .  ||  | ||__   | .--. ||    | ||    /___//   
 |_|\_||  |_____|| |_|| |_||    |_||    `__ `    
 `-` -`   `-----`  `-`  `-`     `-`'    /_//     
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發送短信 : Leader-member exchange and turnover before and after succession events