http://www.perlmonks.org?node_id=634111

It was this interesting meditation that gave me the idea for the following:
$_ # Side Comment Japh -- by liverpole = q ? @ # = qw # --Just-another-Perl-hacker,-- # ; map { print "$_-" } @ # ?; y|-\n | |d; eval

s''(q.S:$/9=(T1';s;(..)(..);$..=substr+crypt($1,$2),2,3;eg;print$..$/