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

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發送短信 : On some locally 3-transposition graphs