Vivid XV
(Published on 25. March 2026, 01:25 by Plok)
Normal Sudoku rules apply.
Cells separated by V sum to 5. Cells separated by X sum to 10.
Cells separated by a white dot are consecutive.
Play on SudokuPad
I enjoy the feedback, specially if it helps me to improve further.
Solution code: The last 3 numbers in the last row
Comments
on 5. April 2026, 21:22 by Plok
Thank you for the kind words ;-)
on 2. April 2026, 12:20 by abadx
No extremely difficult solving path, although there is a tricky midgame flow going around box 7. 2+ stars for me
on 26. March 2026, 18:45 by Archon
I was pleasantly surprised that this didn't need a negative constraint! Was nice to just think things through rather than try to remember the rule I invariably forget.
on 26. March 2026, 12:47 by varbrad
Nice!
on 26. March 2026, 05:01 by jeffrey.l.byrd19
Just on time alone, I would usually put this at 1 star, but to be fair, that was after I erased the puzzle and restarted due to somehow ending up with too many high digits in one of the boxes, so I suppose that warrants rounding up to 2 stars.
on 26. March 2026, 00:28 by macintux
This was an odd one for me. By clock time, it’s a 2+, but it never felt unapproachable. Usually something that takes me over an hour would cause me to lose interest, but because it never felt out of reach, and it never felt tedious, I kept plugging away (admittedly at a relaxed pace).
In short, I really enjoyed it, thanks.
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Thank you. I really appreciate what you wrote, as it is a perfect description on how I designed this puzzle. Slow flow with not too difficult logic.
on 25. March 2026, 18:18 by dzamie
Surprisingly complex, considering how many kropki/XVs there are.
on 25. March 2026, 15:56 by JVA
Yeah, this is the kind of 2* that people on this site rate 1*
on 25. March 2026, 15:48 by Peteronium
10 points for the puzzle and 12 for the solution code.
on 25. March 2026, 14:51 by Onkel_Dagobert
I don't know what I liked more, the puzzle or the short solution code. Well done!
on 25. March 2026, 10:24 by Plok
Copied rules from puzzle to this site.
on 25. March 2026, 09:39 by Gambit
Interesting deductions to be made (without having the negative xv constraint). Fun puzzle. Thanks for sharing.
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Thank you for the kind words. Deliberately tried to stay away from the negative constraint, which led to interesting new logic (for me :-) ).
