the interpreter down to here using an up-arrow command that you will need to find.</p>
<div class="exercise admonition" id="introOneSharp/move_copy_write-exercise-0">

<p class="admonition-title"><span class="caption-number">Exercise 30 </span></p>
<div class="section" id="exercise-content">
<p>Write a program which takes the contents of R1 and adds them to the ends of <em>both</em> R2 and R3.</p>
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</div>
<div class="exercise admonition" id="introOneSharp/move_copy_write-exercise-1">

<p class="admoni