<story><title>A Puzzle Book That Drove England to Madness</title><url>http://hazlitt.net/feature/goes-all-way-queen-puzzle-book-drove-england-madness</url></story><parent_chain></parent_chain><comment><author>danjc</author><text>For some reason this reminds me of the Eternity II puzzle[1]. The creator of the puzzle had mathematicians confirm how difficult it would be to solve due to the number of permutations  and yet a vast number of people bought it thinking they would be the ones to solve it (usually by hand)! There was a $2 million prize and it was never solved.&lt;p&gt;1.&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;en.m.wikipedia.org&amp;#x2F;wiki&amp;#x2F;Eternity_II_puzzle&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;en.m.wikipedia.org&amp;#x2F;wiki&amp;#x2F;Eternity_II_puzzle&lt;/a&gt;</text></comment>
<story><title>A Puzzle Book That Drove England to Madness</title><url>http://hazlitt.net/feature/goes-all-way-queen-puzzle-book-drove-england-madness</url></story><parent_chain></parent_chain><comment><author>musesum</author><text>Images with analysis: &lt;a href=&quot;http:&amp;#x2F;&amp;#x2F;bunnyears.net&amp;#x2F;kitwilliams&amp;#x2F;&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;bunnyears.net&amp;#x2F;kitwilliams&amp;#x2F;&lt;/a&gt;</text></comment>