Logic Masters Deutschland e.V.

THE minimal sudoku

(Published on 6. July 2021, 13:52 by sandini)

Normal sudoku rules apply.

If you write all nine rows as a single line, you get a huge number with 81 digits. This number must be as small as possible.

Click here to play

Solution code: Row 9

Last changed on on 12. August 2021, 21:57

Solved by XhcnoirX, rysmyth240, claire.laury, bernhard, bigger, Fedo , Lozzo, Phistomefel, Cane_Puzzles, glum_hippo, Feadoor, athin, Aspartagcus, marcmees, saskia-daniela, VicJameson, FlxCat, Franjo, Steven R, ... 1277885105, h5663454, metacom, zrbakhtiar, Carolin, Blake Saligia, Saskia, Torvelo, jgarber, Crul, patolucatis, snaiks, beavr, drifting, Thomster, Arne, Dez256, tweak42, Terrapin, Incurrsion
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Comments

on 2. September 2021, 13:30 by XoZu
I was screaming at my monitor solving this like "that´s brilliant haha".

on 12. August 2021, 21:57 by sandini
als Optimierungsrätsel markiert

on 12. August 2021, 18:32 by CHalb
Tolle Idee und ein überraschendes Ergebnis! sandini, meiner Meinung nach könntest du hier die selten genutzten Labels "Optimierrätsel" und "Metarätsel" ergänzen.

on 10. July 2021, 19:47 by nearestneighbour
Amazing. For me it was actually quite easy because recently I've been thinking about an algorithm that generates every single possible sudoku. I came up with an algorithm, and if I would run this algorithm the solution to your puzzle would actually be the first sudoku that was generated.

on 7. July 2021, 20:58 by djorr
I don't know why but this wasn't super easy for me. Definitely needed the link ;) very fun puzzle!

on 7. July 2021, 19:48 by nunc
Really nice, a novelty. Liked it a lot, even if it was very easy. (Probably my fastest solve ever).

on 6. July 2021, 17:35 by sandini
@uvo: Ja, es ist im engeren Sinne eine Optimierungsaufgabe. Ich denke, meine Minimalitätsregel könnte auch gut kombinierbar sein mit anderen Sudoku-Vorgaben wie z.B. VX oder Thermometern, um weitere interessante (und schwierigere) Rätsel zu erstellen. Dies hier ist die Basisvariante als Anregung zum Ausbauen :-)

on 6. July 2021, 16:52 by Raumplaner
very fun concept - made me smile

Last changed on 6. July 2021, 17:33

on 6. July 2021, 16:47 by uvo
@SKORP17: Ich kann dir auf jeden Fall versichern, dass eine kleinere Lösung möglich ist, du hast noch nicht das Optimum gefunden.

@sandini: Wenn es wieder möglich ist, Stichwörter zu setzen: Hier würde "Optimierrätsel" sehr gut passen.

on 6. July 2021, 16:44 by Prutsbeest
Such a simple concept yet still fun to solve! I wish I had come up with this puzzle :)
P.S.: it's easy to miss the correct solution, I had to recheck two times...

on 6. July 2021, 14:25 by bigger
This is a hard rule, if it isn't an empty grid, which would be really aggravating. One dot can cause way too much trouble

on 6. July 2021, 14:15 by claire.laury
Very fun constraint, solved it in 6 min so it was a short but pleasant moment !

Difficulty:1
Rating:80 %
Solved:153 times
Observed:5 times
ID:0006W1

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