   </span><span class="ss">eleveldb</span><span class="w">         </span><span class="p">|</span><span class="w">     </span><span class="ss">eleveldb</span><span class="w">
                                             </span><span class="p">|</span><span class="w">                      </span><span class="p">|</span><span class="w">
                          </span><span class="o">+</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="o">-</span><span class="w"> </spa