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 ______    _    _    _    _      ___     _    _   
|      \\ | || | || | || | ||   / _ \\  | |  | || 
|  --  // | || | || | || | ||  | / \ || | |/\| || 
|  --  \\ | \\_/ || | \\_/ ||  | \_/ || |  /\  || 
|______//  \____//   \____//    \___//  |_// \_|| 
`------`    `---`     `---`     `---`   `-`   `-`

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發送短信 : Coding schemes for ADSL system