 class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39;/&#39;</span><span class="p">)</span>
        <span class="n">upper</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">lower</span><span class="p">,</span> <span class="n">right</span> <span class="o">=</span> <span class="n">components</span>

    <span class="c1"># determine area format</span>
    <span class="k">if</span> <span class="nb">all</span><span class="p">(