title: How to print vertically aligned text
body: <p>I want to print an output of the following format in a file..</p>
  
  <pre><code>1 Introduction                                              1
   1.1 Scope                                                  1
   1.2 Relevance                                              1
     1.2.1 Advantages                                         1
       1.2.1.1 Economic                                       2
     1.2.2 Disadvantages                                      2
  2 Analysis                                                  2
  </code></pre>
  
  <p>I cannot get the page numbers to align vertically in a line. How to do this??</p>