> <span class="mi">1</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">])))</span><span class="o">.</span><span class="n">T</span>
    <span class="n">neighbors</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">repeat</s