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   _____   _    _    __   __   __   __   _    _   
  / ___// | || | ||  \ \\/ //  \ \\/ // | |  | || 
  \___ \\ | || | ||   \   //    \ ` //  | |/\| || 
  /    // | \\_/ ||   / . \\     | ||   |  /\  || 
 /____//   \____//   /_//\_\\    |_||   |_// \_|| 
`-----`     `---`    `-`  --`    `-`'   `-`   `-`

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發送短信 : On some locally 3-transposition graphs