I prefer the version you linked to, as it has taken trominos criticism into account <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=1323111" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=1323111</a><p>Only your linked version is correct.