span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">ids2</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">3</span>, <span class="fl">6</span>, <span class="fl">4</span>, <span class="fl">8</span>, <span class="fl">5</span>, <span class="fl">7</span>, <span class="fl">1</span>, <span class="fl">9</span>,<span class="fl">10</span>, <span class="fl">2</span><span