sequence">Click sequence</a> in stone setup
mode</h4>

<p>When in stone setup mode, clicking on a stone can have the
following result:</p>

<ul>
    <li>if &quot;Set, remove&quot; is selected: clicking on a
        stone remove the stone,</li>
    <li>if &quot;Set, swap color, remove&quot; is selected:
        clicking on a stone swap its color. Clicking a second
        time on the stone, remove the stone.</li>
</ul>

<hr size="1" color="#C0C0C0">

<h4>Enable moves as books</h4>

<blockquote>
    <p>When a