="co"># Split into separate blocks</span>
<span class="va">X1</span>  <span class="op">&lt;-</span> <span class="va">sim</span><span class="op">$</span><span class="va">X1</span>; <span class="va">X2</span> <span class="op">&lt;-</span> <span class="va">sim</span><span class="op">$</span><span class="va">X2</span>; <span class="va">X3</span> <span class="op">&lt;-</span> <span class="va">sim</span><span class="op">$</span><span class="va">X3</span></code></pre></div>
</div>
<div id="exo-l-pls" class="sectio