發送短信 : Fast sequential and parallel vertex relabelings of K<inf>m,m</inf>

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