nce</span><span class="p">):</span>
                <span class="k">continue</span>
            <span class="n">answer</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">&quot; &quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">sequence</span><span class="p">[</span><span class="n">left</span><span class="p">:</span><span class="n">right</span><span class="p">]))</span>
    <span class="k">return</span> <sp