refix</span><span class="p">,</span> <span class="n">prefixLen</span><span class="p">,</span> <span class="n">X</span><span class="o">.</span><span class="n">item</span><span class="p">,</span> <span class="n">X</span><span class="o">.</span><span class="n">sumLUtil</span><span class="p">,</span> <span class="n">X</span><span class="o">.</span><span class="n">maxPeriod</span><span class="p">)</span>
            <span class="k">if</span> <span class="n">X</span><span class="o">.</span><span class="n">sumRUti