class="ruby"><span class="ruby-identifier">require</span> <span class="ruby-string">&quot;securerandom&quot;</span>
<span class="ruby-identifier">require</span> <span class="ruby-string">&quot;zstds&quot;</span>

<span class="ruby-identifier">samples</span> = (<span class="ruby-constant">Array</span>.<span class="ruby-identifier">new</span>(<span class="ruby-value">8</span>) { <span class="ruby-operator">::</span><span class="ruby-constant">SecureRandom</span>.<span class="ruby-identifier">random_bytes</spa