span>
<span><span class="co">#&gt; <span style="color: #BCBCBC;">2</span> B     <span style="color: #949494;">&lt;dbl [2 × 3]&gt;</span></span></span>
<span><span class="va">res</span><span class="op">$</span><span class="va">m</span><span class="op">[[</span><span class="fl">1</span><span class="op">]</span><span class="op">]</span></span>
<span><span class="co">#&gt;    c1 c2 c3</span></span>
<span><span class="co">#&gt; r1 22 24 26</span></span>
<span><span class="co">#&gt; r2 42 44 46</span></span>
<sp