<?xml version="1.0" encoding="UTF-8" standalone="yes"?><oembed><version><![CDATA[1.0]]></version><provider_name><![CDATA[justpuzzles]]></provider_name><provider_url><![CDATA[https://justpuzzles.wordpress.com]]></provider_url><author_name><![CDATA[Teun Spaans]]></author_name><author_url><![CDATA[https://justpuzzles.wordpress.com/author/teunspaans/]]></author_url><title><![CDATA[Optician]]></title><type><![CDATA[link]]></type><html><![CDATA[<p>At the optician, I saw several spectacles for sale. The prices of the frames, still without the glasses, showed a very clear pattern.</p>
<p><a href="https://justpuzzles.files.wordpress.com/2014/09/pattern-code-glasses.png"><img loading="lazy" data-attachment-id="3443" data-permalink="https://justpuzzles.wordpress.com/2014/09/29/optician/pattern-code-glasses/" data-orig-file="https://justpuzzles.files.wordpress.com/2014/09/pattern-code-glasses.png" data-orig-size="892,344" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="Pattern code glasses" data-image-description="" data-image-caption="" data-medium-file="https://justpuzzles.files.wordpress.com/2014/09/pattern-code-glasses.png?w=300" data-large-file="https://justpuzzles.files.wordpress.com/2014/09/pattern-code-glasses.png?w=892" src="https://justpuzzles.files.wordpress.com/2014/09/pattern-code-glasses.png?w=300&#038;h=115" alt="Pattern code glasses" width="300" height="115" class="alignleft size-medium wp-image-3443" srcset="https://justpuzzles.files.wordpress.com/2014/09/pattern-code-glasses.png?w=298&amp;h=115 298w, https://justpuzzles.files.wordpress.com/2014/09/pattern-code-glasses.png?w=596&amp;h=230 596w, https://justpuzzles.files.wordpress.com/2014/09/pattern-code-glasses.png?w=150&amp;h=58 150w" sizes="(max-width: 300px) 100vw, 300px" /></a><br style="clear:both;"></p>
<p>What is the price of the one labelled with the question marks?</p>
<p>Usually you can find a new braintease here usually on Friday. Solutions are generally provided one week later.</p>
<p>You can check your solution <a href="https://justpuzzles.wordpress.com/solutions-to-puzzles-250-500/#256">here</a> </p>
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