m">maze</span> <span class="op">=</span> <span class="nam">LatticeMazeGenerators</span><span class="op">.</span><span class="nam">gen_dfs</span><span class="op">(</span><span class="nam">three_by_three</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
    <p class="pln"><span class="n"><a id="t17" href="#t17">17</a></span><span class="t">&nbsp;</span><span class="r"></span></p>
    <p class="run"><span class="n"><a id="t18" href="#t18">18</a></span><span class="t">        <span class="