aking prefixes and suffixes of the permuted data.</p>
<div class="sourceCode" id="cb4"><pre class="sourceCode stan code-with-copy"><code class="sourceCode stan"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">data</span> {</span>
<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a>  <span class="dt">int</span>&lt;<span class="kw">lower</span>=<span class="dv">0</span>&gt; N;</span>
<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"><