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<p dir="auto">Nice challenge! Best I can do is 87, thought I suspect there’s a much cleverer approach that I haven’t thought of…</p>
<p dir="auto">My solution (after a few linebreaks so people can ignore spoilers if they want to):</p>
<p dir="auto">.<br>
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.</p>
<pre style="background-color:#F7F7F7; border-radius:5px 5px 5px 5px; margin-left:15px; margin-right:15px; max-width:90vw; overflow-x:auto; padding:5px" bgcolor="#F7F7F7"><code style="background-color:#F7F7F7; border-radius:3px; margin:0; padding:0" bgcolor="#F7F7F7">payload = Class.new{def to_str;caller[0]=~/m/?"":"prison.send(:unlock,22,'secret',self)"end;}.new
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<p dir="auto">On 11 Jul 2018, at 11:23, Marek L wrote:</p>
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<div style="white-space:normal"><blockquote style="border-left:2px solid #777; color:#777; margin:0 0 5px; padding-left:5px"><p dir="auto">Hello, lrug-ers.<br>
Hope you are enjoying summer and Ruby.<br>
I have created a small fun challenge that I thought you may enjoy as well.<br>
<br>
<a href="https://ruby-prison-break.herokuapp.com/escapes/new" style="color:#777">https://ruby-prison-break.herokuapp.com/escapes/new</a><br>
<br>
So far, Matz broke it with incredible 49 characters!<br>
Happy hacking and feel free to share.<br>
Marek<br>
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