n">sequence</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">split</span><span class="p">()</span>
    <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sequence</span><span class="p">)</span> <span class="o">&lt;=</span> <span class="mi">2</span><span class="p">:</span>
        <span class="k">return</span> <span class="p">[]</span>
    <span class="n">answer</span> <span class="o">=</span> <span class="p">[]</span>
 