It’s more a puzzle than a game. 2025 items, the challenge is to find the 45 categories of 45 items. I fear I am going to sink far too much time into this one 
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I confess it’s only just crossed my mind that last year was a perfect square, and the only one any of us is likely to see (44 squared was 1936 and 46 squared will be 2116). Blink and you miss stuff …
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That was noted very definitely by Matt Parker (who was 45 in 2025).
@stu preferred the thirties squared. Came a bit closer together.
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