<pre><code>Three backticks
</code></pre>

<pre><code>Four backticks
</code></pre>

<pre><code>Unbalanced bottom heavy
</code></pre>

<div class="language-ruby highlighter-coderay"><div class="CodeRay">
  <div class="code"><pre><span class="line-numbers"><a href="#n1" name="n1">1</a></span>language no space
</pre></div>
</div>
</div>

<div class="language-ruby highlighter-coderay"><div class="CodeRay">
  <div class="code"><pre><span class="line-numbers"><a href="#n1" name="n1">1</a></span>language with space