span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_mapSupport</span><span class="p">[</span><span class="n">x</span><span class="p">][</span><span class="mi">1</span><span class="p">],</span> <span class="nb">abs</span><span class="p">(</span><span class="n">n</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">_mapSupport</span><span class="p">[</span><span class="n">x</span><span class="p">][</span><span class="mi">2<