an>  <span style='color: #949494; font-style: italic;'>&lt;int&gt;</span>
#&gt; <span style='color: #BCBCBC;'>1</span>         1      1      2
#&gt; <span style='color: #BCBCBC;'>2</span>         2      1      2
#&gt; <span style='color: #BCBCBC;'>3</span>         3      1      2</div><div class='input'>
<span class='co'># Empty rows and columns up to the first occupied cell are dropped, but the</span>
<span class='co'># row and column names reflect the original row and column numbers.</span>
<span class='v