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  ______   __   __   ______      ___      ______  
 /_   _//  \ \\/ // |      \\   / _ \\   /_   _// 
 `-| |,-    \ ` //  |  --  //  / //\ \\    | ||   
   | ||      | ||   |  --  \\ |  ___  ||  _| ||   
   |_||      |_||   |______// |_||  |_|| /__//    
   `-`'      `-`'   `------`  `-`   `-`  `--`

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Text this: Mã lưới cho kênh Fading Rayleigh