Putting the question (pure region sum puzzle)
(Published on 28. April 2026, 12:21 by Fool on Hill)
Puzzle rules
Normal Sudoku rules apply.
Box borders divide a blue region sum line Into segments with the same sum. (Different lines may have different sums)
Do let me know how you get on. This is my first region sum line puzzle - so many things have been done before, but I don't think I have seen quite this combination of ideas. It is hard to know how tricky it is. Enjoy! .
Play here on Sudokupad: Putting the question
Solution code: Row 7
Comments
on 21. May 2026, 10:15 by Angara
Wonderful puzzle! I used the Phistomefel ring in midsolve
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Thanks so much. I thought that might be possible, but hadn't checked it.
on 28. April 2026, 22:18 by sujoyku
Amazing puzzle! It is hard to believe this was your first RSL puzzle given how masterfully it is set up. Thank you for setting and sharing this gem, Fool on Hill!
on 28. April 2026, 14:51 by EmX68
Beautiful puzzle, surprising interactions. Not easy. Thanks for setting!
on 28. April 2026, 13:06 by rameshsrivats
Very nice.
