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

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Text this: On the prolong attachment of leading edge vortex on a flapping wing