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Give me the correct answer to the question below.

What is this?


enter image description here

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                               ⨂
                       ⨂
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                ⨂
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                       ◯
                                           ⨂
                                              ◯ 
                                              ◯   
         ◯       
                ⨂
                              
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  • $\begingroup$ Having seen the accepted answer, this puzzle doesn't work on mobile, the page rendering/scaling doesn't maintain the relative positioning required. $\endgroup$
    – fljx
    May 22, 2023 at 10:14
  • $\begingroup$ @fljx Aah, I noticed that but if you tilt it, using wide screen, it does maintain the relative positioning. $\endgroup$ May 22, 2023 at 10:19

1 Answer 1

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The answer is:

PIGPEN PUZZLE

First consider the chain of symbols in the top 'header row'...

These are the grid-spaces of the pigpen cipher in order. i.e. The rows of a 9-square octothorpe-shaped grid (used for letters A-R), and the sectors of the 4-triangle cross-shaped grid (letters S-Z):

Standard Pigpen cipher decoder

You can see this more clearly if you divide the symbol chain like so:

Symbol chain with red line separators

Now consider the circles and crossed-circles beneath...

In each case, (i) the horizontal position of the circle shows which part of the Pigpen cipher grid to use (by seeing which of the header row symbols it falls directly beneath), and (ii) an uncrossed circle indicates we are supposed to use the 'dotted' Pigpen grids, while a crossed-circle means we do not need a dot.

The first letter encoded here is therefore a 'P', being in the column below the 'bottom-left grid corner' symbol, and with a dot (indicated by the circle character).

If we repeat this process for all the circles and crossed-circles...

...and read off the corresponding letters from top to bottom of the diagram, we get the following solution message:

PIGPEN PUZZLE

The diagra decoded

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  • $\begingroup$ That's the answer, nice visuals and well done! $\endgroup$ May 22, 2023 at 10:03
  • $\begingroup$ I was about to ask for an image explaining the alignment step, but it looks you added one while I was typing :-) $\endgroup$
    – fljx
    May 22, 2023 at 10:11

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