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            ______    ______    _____             
  ____     /_   _//  /_   _//  |  ___||   ____    
 |    \\    -| ||-   `-| |,-   | ||__    |    \\  
 | [] ||    _| ||_     | ||    | ||__    | [] ||  
 |  __//   /_____//    |_||    |_____||  |  __//  
 |_|`-`    `-----`     `-`'    `-----`   |_|`-`   
 `-`                                     `-`

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Text this: Automatic linear orders and trees