Pastable version of Verber's puzzle

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            <pre style="float:left;margin:0 10px;border-right:0;color:#666;">1
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            <pre class="sunburst">n<span style="color:#E28964;">=</span><span style="color:#3387CC;">16</span>
s<span style="color:#E28964;">=</span><span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>1<span style="color:#65B042;">&quot;</span></span>
s1<span style="color:#E28964;">=</span><span style="color:#65B042;"><span style="color:#65B042;">&quot;</span><span style="color:#65B042;">&quot;</span></span>
s2<span style="color:#E28964;">=</span><span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>1<span style="color:#DDF2A4;">\n</span><span style="color:#65B042;">&quot;</span></span>
<span style="color:#E28964;">while</span> n <span style="color:#E28964;">&gt;</span> <span style="color:#3387CC;">0</span>  <span style="color:#E28964;">do</span>
      i<span style="color:#E28964;">=</span><span style="color:#3387CC;">0</span>
      <span style="color:#E28964;">while</span> i <span style="color:#E28964;">&lt;</span> s.<span style="color:#89BDFF;">length</span>  <span style="color:#E28964;">do</span>
         k<span style="color:#E28964;">=</span><span style="color:#3387CC;">0</span>
         a<span style="color:#E28964;">=</span>s[i,<span style="color:#3387CC;">1</span>];
          <span style="color:#E28964;">while</span> a<span style="color:#E28964;">==</span>s[i,<span style="color:#3387CC;">1</span>] <span style="color:#E28964;">do</span>
             k<span style="color:#E28964;">+=</span><span style="color:#3387CC;">1</span>
             i<span style="color:#E28964;">+=</span><span style="color:#3387CC;">1</span>       
          <span style="color:#E28964;">end</span>
         s1<span style="color:#E28964;">+=</span>k.<span style="color:#89BDFF;">to_s</span><span style="color:#E28964;">+</span>a                   
      <span style="color:#E28964;">end</span>       
      s<span style="color:#E28964;">=</span>s1
      s2<span style="color:#E28964;">+=</span>s1<span style="color:#E28964;">+</span><span style="color:#65B042;"><span style="color:#65B042;">&quot;</span><span style="color:#DDF2A4;">\n</span><span style="color:#65B042;">&quot;</span></span>
      s1<span style="color:#E28964;">=</span><span style="color:#65B042;"><span style="color:#65B042;">&quot;</span><span style="color:#65B042;">&quot;</span></span>
      n<span style="color:#E28964;">-=</span><span style="color:#3387CC;">1</span>    
<span style="color:#E28964;">end</span> 
puts s2
</pre>
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