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

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Text this: THE STURM-LIOUVILLE PROBLEM