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[Not-so-daily puzzle] Sudoku puzzle
339 sats \ 3 comments \ @south_korea_ln 3 Dec 2024 science
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[Daily puzzle] A MSM puzzle
660 sats \ 11 comments \ @south_korea_ln 17 Oct 2024 science
[Daily puzzle] Temporary break
682 sats \ 4 comments \ @south_korea_ln 16 Nov 2024 science
[Daily puzzle] Fill in the blanks
2368 sats \ 20 comments \ @south_korea_ln 29 Oct 2024 science
[Daily puzzle] Find the ratio
847 sats \ 8 comments \ @south_korea_ln 26 Oct 2024 science
[Not-so-daily puzzle] Purple area
566 sats \ 15 comments \ @south_korea_ln 13 Dec 2024 science
[Daily puzzle] No calculator math
833 sats \ 20 comments \ @south_korea_ln 12 Oct 2024 science
[Daily puzzle] Find area of white region
2026 sats \ 18 comments \ @south_korea_ln 10 Oct 2024 science
[Daily puzzle] Find the radius of the circle
1947 sats \ 26 comments \ @south_korea_ln 11 Oct 2024 science
[Not so daily puzzle] Sum-o wrestlingwww.theguardian.com/science/2025/aug/18/can-you-solve-it-are-you-a-matcha-for-these-tasty-japanese-puzzles
950 sats \ 7 comments \ @south_korea_ln 19 Aug 2025 science
[Daily puzzle] Minesweeper
534 sats \ 6 comments \ @south_korea_ln 13 Nov 2024 science
[Not-so-daily puzzle] Singapore at it, again
476 sats \ 14 comments \ @south_korea_ln 2 Apr 2025 science
[Daily puzzle] Fun with geometry
757 sats \ 4 comments \ @south_korea_ln 20 Oct 2024 science
[Daily puzzle] Maximum distance between 5 points in a square?
1410 sats \ 10 comments \ @south_korea_ln 9 Oct 2024 science
[Not-so-daily puzzle] Triangle sequence
874 sats \ 13 comments \ @south_korea_ln 6 Dec 2024 science
[Daily puzzle] Truth-tellers and liars
651 sats \ 6 comments \ @south_korea_ln 1 Nov 2024 science
[Daily puzzle] Another MSM puzzle
717 sats \ 10 comments \ @south_korea_ln 18 Oct 2024 science
[Daily puzzle] Easy square root
460 sats \ 10 comments \ @south_korea_ln 12 Nov 2024 science
[Not-so-daily puzzle] A fun geometry puzzle
405 sats \ 11 comments \ @south_korea_ln 15 Jan 2025 science
[Not-so-daily puzzle] Circle fun
757 sats \ 0 comments \ @south_korea_ln 29 Jan 2025 science
[Not-so-daily puzzle] Two envelope puzzle
921 sats \ 12 comments \ @south_korea_ln 25 Dec 2024 science
[Daily puzzle] Reuleaux triangle
716 sats \ 12 comments \ @south_korea_ln 30 Oct 2024 science