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

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發送短信 : The logarithmic law of random determinant