p" data-group-id="9512692941-11">(</span><span class="p" data-group-id="9512692941-12">{</span><span class="mi">2</span><span class="p">,</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="o">-</span><span class="mi">2</span><span class="p" data-group-id="9512692941-12">}</span><span class="p" data-group-id="9512692941-11">)</span><span class="p" data-group-id="9512692941-9">)</span><span class="w">
</span><span class="p" data-group-id="951269