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Comments

Nighteyes
Nice trick to get four perfect, distinct groups out of all the numbers between 1-16. How long did that take to figure out?
(4 years, 9 months ago)

Jam
I don't think composite numbers are niche enough to be a category. Might as well have said "numbers that aren't 2".
(4 years, 9 months ago)

Rabbit
I'd be interested to know if anyone got this right since there are so many different tacks to take, the chances of stumbling into the same idea as the creator are incredibly niche.
Plus, there are many other valid solution for a grid like this.
(4 years, 9 months ago)

 

 


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