i>
            <li class="nav-item" data-level="3"><a href="#example-9-karplus-strong-12" class="nav-link">Example 9: Karplus Strong (1/2)</a>
              <ul class="nav flex-column">
              </ul>
            </li>
            <li class="nav-item" data-level="3"><a href="#example-10-karplus-strong-22" class="nav-link">Example 10: Karplus Strong (2/2)</a>
              <ul class="nav flex-column">
              </ul>
            </li>
            <li class="nav-item" data-level="3"><a href="#example