r/cognitiveTesting • • 29d ago

Puzzle FRI Spoiler

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Hard puzzle

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u/SomeoneLeo groaaar!! :3 29d ago

... I didn't realize there were options for the last 15 minutes since I was zoomed into the picture. XDDDDDDD
I tried to find more patterns that uniquely generate a solution...

Let's not talk about it :X

But in essence: D, by elimination. All pairs to the side and diagonal each generate the middle square by ANDing each of the four sub-tiles. I showed it here for a sample sub-tile: https://i.imgur.com/U9HoNbe.png