title: New Line After Each 72 Character
body: <p>Have some long base64 string, which must be formated with New Line every 72 byte and converted to byte array.</p>
  
  <p>Have:</p>
  
  <pre><code>Convert.ToBase64String(Convert.FromBase64String("..."), Base64FormattingOptions.InsertLineBreaks)
  </code></pre>
  
  <p>But it inserts new line every 76 byte.
  And how can i convert it back to byte array with preserved new lines?</p>