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            ______   _    _      ___       _____  
  ____     /_   _// | |  | ||   / _ \\    / ___// 
 |    \\    -| ||-  | |/\| ||  / //\ \\   \___ \\ 
 | [] ||    _| ||_  |  /\  || |  ___  ||  /    // 
 |  __//   /_____// |_// \_|| |_||  |_|| /____//  
 |_|`-`    `-----`  `-`   `-` `-`   `-` `-----`   
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Text this: Quantum channel capacity by simulated annealing