r>
         <TR  BGCOLOR="#D4B48C">
                <TD>111#</TD> <TD>add 1 to R3</TD></tr>
         <TR  BGCOLOR="#D4B48C"> <TD>11111111####</TD> <TD>go backward 8 to the top</TD> </TR>
         <TR BGCOLOR="#FFFFCC"> <TD> move<sub>3,1</sub></TD><td> from earlier in this notebook </td></TR>
</TABLE>        <br></div>
<div class="section" id="write">
<h2><code class="docutils literal notranslate"><span class="pre">write</span></code><a class="headerlink" href="#write" title="Permalink to this heading">#</a>