class="p">)</span>
                <span class="c1"># print(&#39;x11\n&#39;, x11)</span>
                <span class="c1"># print(&#39;x12\n&#39;, x12)</span>
                <span class="c1"># print(&#39;x21\n&#39;, x21)</span>
                <span class="c1"># print(&#39;x22\n&#39;, x22)</span>

                <span class="n">lw</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">ceil</span><span class="p">(</span><span class="n">work</span><span class="p">