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           __   __   __   __    _____     _____   
  ____     \ \\/ //  \ \\/ //  |  ___||  /  ___|| 
 |    \\    \ ` //    \   //   | ||__   | // __   
 | [] ||     | ||     / . \\   | ||__   | \\_\ || 
 |  __//     |_||    /_//\_\\  |_____||  \____//  
 |_|`-`      `-`'    `-`  --`  `-----`    `---`   
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發送短信 : Medial representations : mathematics, algorithms and applications