Sprinkles (Region Sum Lines)
(Published on 23. December 2025, 11:05 by sujoyku)
Rules:
- Normal sudoku rules apply, i.e. each row, column, and 3x3 region has to contain the digits from 1 to 9 once each.
- Region Sum Lines: Box borders divide the blue lines into segments with the same sum. (Different lines may have different sums.)
Here you can solve the puzzle online:
Solution code: Row 5 from left to right (9 digits in total)
Comments
on 11. January 2026, 22:48 by marty_sears
This was a beautiful puzzle with a particularly lovely break-in idea. I found some bits very tricky to spot, but that's all part of the fun isn't it. Great work!
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Thank you for your comment, marty_sears! It is great to hear that you liked the puzzle.
Kind regards, sujoyku
on 31. December 2025, 04:32 by Crusader175
Fun puzzle as always!
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Thank you, Crusader175!
Kind regards, sujoyku
on 29. December 2025, 22:13 by Lenivaya_Joppa
Thank you for this nice puzzle, dear sujoyku! :)
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You are much welcome, Lenivaya_Joppa! It is great to hear that you liked it.
Kind regards, sujoyku
on 23. December 2025, 23:44 by galium_odoratum
Very fun puzzle, well constructed logic! Oddly, even though my solving time indicate a 2*, the deductions felt like 3* to me.
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Thank you for your comment, galium_odoratum! I am glad that you liked the puzzle. Considering difficulty: I also thought it might be 3*, but I am happy to hear that many found it more approachable.
Kind regards, sujoyku
on 23. December 2025, 20:06 by Myxo
Lovely!
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Thank you, Myxo!
Kind regards, sujoyku
on 23. December 2025, 18:30 by thoughtbyte
Awesome, thanks!
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You are much welcome, thoughtbyte, thank you for your comment!
Kind regards, sujoyku
on 23. December 2025, 17:01 by glum_hippo
Onward and upward! But also sideways. Happy holidays.
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Thank you, glum_hippo, happy holidays to you as well!
Kind regards, sujoyku
on 23. December 2025, 13:43 by keenbowl
Nice one, thank you for setting and sharing!
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You are much welcome, keenbowl, thank you for your comment! I am glad that you liked the puzzle.
Kind regards, sujoyku
