</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">z_comb</span><span class="p">)):</span>
                <span class="n">neighbor_indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">where</span><span class="p">((</span><span class="n">z_array</span> <span class="o">==</span> <span class="n">z_comb</span><span class="p">[</span><span class="n">i</span><span class="p">])</span><span class="o">.</span><span cl