 class="p">[</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">,</span><span class="mi">4</span><span class="p">],</span>
    <span class="p">[</span><span class="mi">1</span><span class="p">,</span><span class="mi">20</span><span class="p">,</span><span class="mi">30</span><span class="p">,</span><span class="mi">4</span><span class="p">],</span>
    <span class="p">[</span><span class="mi">1</span><span class="p