-2-1">Modifying <code class="docutils literal notranslate"><span class="pre">move_2_1</span></code></a></li>
<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#copy"><code class="docutils literal notranslate"><span class="pre">copy</span></code></a></li>
<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#write"><code class="docutils literal notranslate"><span class="pre">write</span></code></a></li>
</ul>
</li>
<li class="toc-h1 nav-item toc-