Logic Masters Deutschland e.V.

Star Burst

(Published on 19. February 2026, 23:17 by The Bard)

Normal Sudoku rules apply. Place the digits 1-9 in each row, column and box without repetition.

Non-Consecutive: Digits in orthogonally adjacent cells may not be consecutive.

German Whispers: Adjacent digits on a green line must have a difference of at least 5.

XV Pairs: Digits separated by an X sum to 10. Digits separated by a V sum to 5.

Solve CTC

If you like this puzzle you may enjoy some of my other puzzles too, click HERE to see the other puzzles I have made.

Solution code: Row 9


Solved by gwai77, sujoyku, Bconner5, gReinares, Aidan488, L00ping007, marajade, RedBarchetta, Nexys6969, TheCutmaster, itsfysh, JayBird, Debba, Joyofrandomness, weiken, zuzanina, Krisonium, macronate, ... TroublesomeOrca, latters176, davew, TroySudoku, S4K, lmunira, McMingus, amylou7099, hanna_werner, apendleton, iEtsh, josemadre, addie, kangaroo, abadx, Topalai, lulu614, marcnesium_iv, radium
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Comments

on 31. July 2026, 20:57 by abadx
No bifurcation needed. But I am quite weak at non consecutive constraint, so my time was similar to a 3 star puzzle.

on 10. April 2026, 06:40 by TroySudoku
Fun one, there's a neat trick with the four consecutive 2-length lines. Once the ball got rolling, the puzzle went pretty quickly. Nice!

Last changed on 21. February 2026, 09:50

on 21. February 2026, 09:50 by BorisTheSnake
Beautiful puzzle/logic!! Loved it, but I'd say it's a 3*

Last changed on 20. February 2026, 19:19

on 20. February 2026, 14:51 by PinkNickels
Fun one! Thanks for sharing. Hope all is well.

~~~
As always, it was my pleasure.
Things are going pretty good for us right now. I trust all is well with you and your family too.
The Bard

Last changed on 20. February 2026, 19:23

on 20. February 2026, 14:23 by VitP
definitely not level 2.
while some progress can be made early on, the clues run out quickly, and all you have left is the non-consecutive rule, which is a hard constraint to apply.
either there is some esoteric GLOBAL PATTERN that only experts will know (--> level 3), or you have to rely on 30-step bifurcation chains.

~~~
Sorry you didn’t enjoy this one as much. There may have been a specific point of logic that you missed, because I made sure needing a large bifurcation was not needed. If fact the Xs in box 4 are not required to make this a unique solution, but I added them for that exact reason.
The Bard

Difficulty:2
Rating:90 %
Solved:125 times
Observed:4 times
ID:000RJK

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