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            _____     _____    __   __   ______   
  ____     |  ___||  /  ___||  \ \\/ // |      \\ 
 |    \\   | ||__   | // __     \ ` //  |  --  // 
 | [] ||   | ||__   | \\_\ ||    | ||   |  --  \\ 
 |  __//   |_____||  \____//     |_||   |______// 
 |_|`-`    `-----`    `---`      `-`'   `------`  
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發送短信 : ON MAGIC GRAPHS AND MAGIC SQUARES