span class="o">)</span><span class="s1">&#39;ERROR: data not sorted i=&#39;</span><span class="o">,</span><span class="nt">i</span><span class="o">,</span><span class="s1">&#39;index=&#39;</span><span class="o">,</span><span class="nt">indx</span><span class="o">(</span><span class="nt">i</span><span class="o">),</span><span class="w"> </span><span class="o">&amp;</span><span class="w"></span>
<span class="w">         </span><span class="o">&amp;</span><span class="w"> </span><span class="s1">&#39;values &#