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 ______     ______    ______     ___     _    _   
|      \\  /_   _//  /_   _//   / _ \\  | \  / || 
|  --  //   -| ||-   `-| |,-   / //\ \\ |  \/  || 
|  --  \\   _| ||_     | ||   |  ___  ||| .  . || 
|______//  /_____//    |_||   |_||  |_|||_|\/|_|| 
`------`   `-----`     `-`'   `-`   `-` `-`  `-`

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發送短信 : Design and construct a perpetual motion device