perl -e '$x=sub{$s=0;map{$s+=$_}@_;$s%17};@_[1]=11;@==map{84+($z++%2?s
+hift @_:18)}qw<P E R L>;
print map{chr&$x(map{ord}split//)+shift(@=)}sort qw"Who is Perl guru?"
+'

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Edit: g0n replaced pre tags with code tags

In reply to who is perl guru? by rajo

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