span id="__span-3-3"><a href="#__codelineno-3-3" id="__codelineno-3-3" name="__codelineno-3-3"></a><span class="w">    </span><span class="p">(</span><span class="k">let</span><span class="w"> </span><span class="p">((</span><span class="nf">dur</span><span class="w"> </span><span class="p">(</span><span class="nb">random</span><span class="p">)))</span>
</span><span id="__span-3-4"><a href="#__codelineno-3-4" id="__codelineno-3-4" name="__codelineno-3-4"></a>
</span><span id="__span-3-5"><a href="#__codeli