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

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發送短信 : Classical Finite Transformation Semigroups