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  ______   __   __    ______   _    _      _____  
 /_____//  \ \\/ //  /_   _// | || | ||   / ___// 
 `____ `    \ ` //   `-| |,-  | || | ||   \___ \\ 
 /___//      | ||      | ||   | \\_/ ||   /    // 
 `__ `       |_||      |_||    \____//   /____//  
 /_//        `-`'      `-`'     `---`   `-----`   
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Text this: Two-class M/G/1 queue under workload control