ld then add a <code class="docutils literal notranslate"><span class="pre">1</span></code> to R1 and return to the very beginning of the program.</p>
<p>If the first symbol of R2 is a <code class="docutils literal notranslate"><span class="pre">#</span></code>, then we delete that # and go three steps forward, to line 4.  This part of the program would then add a <code class="docutils literal notranslate"><span class="pre">#</span></code> to R1 and return to the very beginning of the program.</p>
<p>The poi