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

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發送短信 : Flat 2-Foldings of Convex Polygons