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

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Text this: Các hình thức phân cấp, phân quyền