<?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[Bongard letters (1)]]></title><type><![CDATA[link]]></type><html><![CDATA[<p>In 1967 the Russian scientist M.M. Bongard published a book containing 100 problems. Each problem consists of 12 small boxes: six boxes on the left and six on the right. Each of the six boxes on the left conforms to a certain rule. Each box on the right contradicts this rule. Your task, of course, is to figure out the rule.</p>
<p><i>1)Bongard problem letters 1</i><sup>*/*****</sup><br />
<a href="https://justpuzzles.wordpress.com/?attachment_id=6044" rel="attachment wp-att-6044"><img loading="lazy" data-attachment-id="6044" data-permalink="https://justpuzzles.wordpress.com/2020/03/20/bongard-dates-3/bongard-letters-1/" data-orig-file="https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-1.png" data-orig-size="682,399" 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="Bongard letters 1" data-image-description="" data-image-caption="" data-medium-file="https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-1.png?w=300" data-large-file="https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-1.png?w=682" src="https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-1.png?w=604&#038;h=353" alt="" width="604" height="353" class="aligncenter size-full wp-image-6044" srcset="https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-1.png?w=604&amp;h=353 604w, https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-1.png?w=150&amp;h=88 150w, https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-1.png?w=300&amp;h=176 300w, https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-1.png 682w" sizes="(max-width: 604px) 100vw, 604px" /></a></p>
<p><i>2)Bongard problem letters 2</i><sup>**/*****</sup><br />
<a href="https://justpuzzles.wordpress.com/?attachment_id=6046" rel="attachment wp-att-6046"><img loading="lazy" data-attachment-id="6046" data-permalink="https://justpuzzles.wordpress.com/2020/03/20/bongard-dates-3/bongard-letters-2/" data-orig-file="https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-2.png" data-orig-size="682,398" 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="Bongard letters 2" data-image-description="" data-image-caption="" data-medium-file="https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-2.png?w=300" data-large-file="https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-2.png?w=682" src="https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-2.png?w=604&#038;h=352" alt="" width="604" height="352" class="aligncenter size-full wp-image-6046" srcset="https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-2.png?w=604&amp;h=352 604w, https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-2.png?w=150&amp;h=88 150w, https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-2.png?w=300&amp;h=175 300w, https://justpuzzles.files.wordpress.com/2020/01/bongard-letters-2.png 682w" sizes="(max-width: 604px) 100vw, 604px" /></a></p>
<p>Though I&#8217;m in the midst of a series Bongard problems on Dates and times, I throw in a couple on letters just for a change.</p>
<p>New puzzles are published at least once a month on Fridays. Solutions are published after one or more weeks. You are welcome to remark on the difficulty level of the puzzles, discuss alternate solutions, and so on. Puzzles are rated on a scale of 1 to 5 stars. You can check your solutions <a href="https://justpuzzles.wordpress.com/Solutions to puzzles 501-750/#600">here</a> and <a href="https://justpuzzles.wordpress.com/Solutions to puzzles 501-750/#600">here</a></p>
<p>Happy puzzling!</p>
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