Fits in less than four full 80-char lines, so I'm calling it my first JAPH. Known good on debian unstable (perl 5.8.0) and stable (perl 5.6.1). 

$_=q(vXvlrcYAGRKxl}mKnk|E[Nlf@beUE?~zOcOixyGxR~QHbFakKdCdNRNMvxdJudwan
+juuU~FMLAalNl]xKrR{FKPCU}WynfhuNZmInLtCPEUp_pewMgf?fLJaKx?|kYiLhGs|SI
+IYuadPj|c);y/?-~/@-\x7f/;sub _{map{$L++%2?"":$_}@_}sub L{join('',_(@_
+))}@_=unpack("B*",$_)=~/..(...)(...)/g;$Y=L(@_);$L++;$_=L(@_);s/(.{7}
+)/0\1/g;eval pack("B*",$_);pnirt(q(JAPH))
#

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Update:

Reformatted per liz and davido ... thanks!

Remember, when you stare long into the abyss, you could have been home eating ice cream.

In reply to Magic q JAPH by idsfa

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