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

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發送短信 : Two dimensional irregular polygonal cloaks