"special">()</span> <span class="special">==</span> <span class="identifier">sub2</span><span class="special">.</span><span class="identifier">size</span><span class="special">()</span></code>,
            <code class="computeroutput"><span class="special">-</span><span class="number">1</span></code>
            if <code class="computeroutput"><span class="identifier">sub1</span><span class="special">.</span><span class="identifier">size</span><span class="special">()</span> <span class="special">&lt;</span