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  • $\begingroup$ @Tryth that looks like an Upside down Onion :-) $\endgroup$ Commented Jul 1, 2015 at 13:30
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    $\begingroup$ If I squint my eyes, I could just make out ET's head. $\endgroup$ Commented Jul 1, 2015 at 13:55
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    $\begingroup$ Can the answer be determined from a printed image? $\endgroup$ Commented Jul 1, 2015 at 13:57
  • $\begingroup$ I spent a while playing with this but couldn't get anywhere, so I'll say what I've tried. I couldn't find any hint of morse or braille in either of the colours. The red colour on the edges is slightly different than the red used in the middle. There are vertical columns, each 3 blocks wide, separated by columns containing only red blocks. That's all I've got! $\endgroup$ Commented Jul 1, 2015 at 14:45
  • $\begingroup$ Plus one for the nicely hidden hint. $\endgroup$ Commented Jul 1, 2015 at 19:00