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(This is part of a series of puzzles written for Timwi for a Secret Santa puzzle exchange, themed around various custom modules for the game Keep Talking and Nobody Explodes. No KTaNE knowledge is necessary for any of these puzzles except the final meta; each puzzle resolves to a single word or short phrase.)


On The Subject of Bitmaps

enter image description here

enter image description here

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  • 2
    $\begingroup$ Hmmm... A 26x26 grid... 26... Why does that number ring a bell?! ;-) $\endgroup$ – Stiv Jan 30 at 10:00
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The image at the top is

the XOR of the circles below, each suitably offset.

If we

label the "pixels" A-Z from top to bottom, and then A-Z from left to right, and read off the y-then-x of the circles' centres, starting with the largest,

we get

PLEASE GUESS REGISTERED OWNER.

At this point I thought there was more to do, but Deusovi informs me in comments that

this isn't an instruction to figure out the "registered owner" of some particular thing (e.g., the trademark to a logo that resembles the original bitmap); rather, the answer is the words REGISTERED OWNER.

The following diagrams may or may not clarify things a bit.

enter image description here

and

enter image description here

Here

the circles are numbered from smallest to largest, which turns out to be the wrong order. Also, #7 is clipped at the top because it was only part-way through the solving process that I realised it would be helpful to work with an image with some extra "margin" on all sides.

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  • $\begingroup$ This isn't 'partial' -- the two-word phrase that the puzzle is telling you to guess is the answer! $\endgroup$ – Deusovi Jan 30 at 15:20
  • $\begingroup$ Oh! Fair enough, then. Will edit my answer accordingly. $\endgroup$ – Gareth McCaughan Jan 30 at 15:32
  • $\begingroup$ (The first part of the message was intended to confirm that it was the answer rather than a thing you needed to look up -- as well as getting the letter count to work out.) $\endgroup$ – Deusovi Jan 30 at 15:59

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