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

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發送短信 : A monotonic early output asynchronous full adder