 an edge from vertex <strong>A</strong> (where 0 indicates no edge, and 1 indicates an edge). Within that line, the pattern <span class="code-chonk">0 1 0 0 0 0 1</span> indicates the following:</p>
<ul>
<li>edge from <strong>A</strong> to <strong>A</strong>? no (0)</li>
<li>edge from <strong>A</strong> to <strong>B</strong>? yes (1)</li>
<li>edge from <strong>A</strong> to <strong>C</strong>? no (0)</li>
<li>edge from <strong>A</strong> to <strong>D</strong>? no (0)</li>
<li>edge from <strong>A</strong> to