                  n h_int
#&gt;    </span><span style='color: #555555;font-style: italic;'>&lt;dttm&gt;</span><span>              </span><span style='color: #555555;font-style: italic;'>&lt;int&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;chr&gt;</span><span>
#&gt; </span><span style='color: #555555;'> 1</span><span> 2015-12-10 </span><span style='color: #555555;'>17:00:00</span><span>    22 17-18
#&gt; </span><span style='color: #555555;'> 2</span><span> 2015-12-10 </span><s