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  ____      _____     ______    _____             
 |  _ \\   |  ___||  /_   _//  |  ___||   ____    
 | |_| ||  | ||__      | ||    | ||__    |    \\  
 | .  //   | ||__     _| ||    | ||__    | [] ||  
 |_|\_\\   |_____||  /__//     |_____||  |  __//  
 `-` --`   `-----`   `--`      `-----`   |_|`-`   
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Text this: A five-level inverter based on differential structure