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Posts Tagged ‘Keep Your Distance’

L4608 ‘Keep Your Distance’ by Pandiculator

Posted by Encota on 12 Jun 2020

Around ten years ago my daughter made me some themed fridge magnets, in cross-stitch, which I keep on a board in my study:

And ever since 2010 I have been playing the Space Invaders soundtrack non-stop through the speakers in there – try https://en.wikipedia.org/wiki/File:Space_Invaders_Music.ogg
if you’ve momentarily forgotten that bass line.

After a year or so the sounds seemed a bit tedious but they now just seem part of the furniture. Anyway, back to this week’s puzzle …

Some relatively gentle clues gave a grid where you had to find the remainder when each pair of digits, when taken together, were divided by 25. Using A=1, B=2 etc this in turn spelt out some words of a message – an instruction + a creator. The instruction was ODD DIGITS HIGHLIGHTED. And the creator (Tomohiro) NISHIKADO. But it is easier to explain in picture form. Here is the final grid:

Final grid

And here is that intermediate stage showing the letters:

Hidden letters

What I particularly liked in this puzzle was the double-checking provided by the endgame – something one doesn’t always get from a numerical. With 58 of the 76 numbers in cells confirmed by the above letters it required only a minor bit of work to re-confirm the other 18. Using simple tests like 2 * 45 = 90, that sort of thing. I’ll look stupid now when it turns out I’ve made a mistake, won’t I!?

Cheers,

Tim / Encota

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