Logic Masters Deutschland e.V.

Broken Pencil

(Eingestellt am 17. September 2022, 19:05 Uhr von the_cogito)

This puzzle draws inspiration from mathpesto's puzzle Negators. I hope you enjoy.

Rules:
- Normal sudoku rules apply.
- Digits along a light blue region sum line must have an equal sum within each region the line passes through.
- Every row, column, and box contains exactly one negator cell. The digit in a negator cell acts as the negative of its value for the purpose of any region sum line that passes through it (eg, a 4 in a negator cell would instead act as -4). The location of these cells must be determined.
- Digits in negator cells must be unique from one another, and contain the digits 1-9.


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Lösungscode: Row 2, then Column 2 (18 digits, no spaces)


Gelöst von pianobarry87, glum_hippo, Bellsita, crispy16, OhHeyGuysItsMax, cdwg2000, lsw770770, Schwupel, Mrtn, peterkp, purpl, Wessel Strijkstra, KNT, mathpesto, karen_birgitta, Askloomok, thoughtbyte, ashwin, ... Hydalin, WallE-93, Simon919, SKORP17, Crul, ghosting, Uhu, PippoForte, ademjaz, Christounet, michaal94, Mittag, fca.felix.sudoku, pepe74287, Krisonium, h5663454, morgannamodeaura, Calesch
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Kommentare

am 27. November 2022, 22:58 Uhr von Christounet
Loved it ! This one might look complex at first sight, but it proves to be quite approchable through the use of very basic arithmetics for the deductions. I like it when the focus is on the geometry. Makes for very pleasant solves. Thanks !

am 2. Oktober 2022, 08:15 Uhr von PrimeWeasel
@madhupt maybe think about this again, mainly the 45 bit.

Zuletzt geändert am 2. Oktober 2022, 09:53 Uhr

am 2. Oktober 2022, 06:51 Uhr von madhupt
The puzzle is broken. The minimum sum on blue lines s 45-2-8-9(negator) = 26, which cannot have two cell sum in box 2 and 6.

Oops! How did I not see this? Blinkers, I suppose. Too fixated on the 45 sum, I think. :-)

am 23. September 2022, 16:39 Uhr von Jesper
Very smooth!

am 23. September 2022, 00:44 Uhr von Fool on Hill
This is a lovely puzzle to solve

am 21. September 2022, 08:08 Uhr von wooferzfg
Nice, fun, and fresh logic! Thanks for the puzzle.

am 20. September 2022, 19:59 Uhr von StephenR
Thanks, some very cute logic here.

am 20. September 2022, 04:59 Uhr von thoughtbyte
This was a wonderful introduction for me to this constraint, loved every minute of it. Thanks!

am 19. September 2022, 20:51 Uhr von mathpesto
Thanks so much for referencing my puzzle. This was a lot of fun to solve, visually striking, and very smooth! (Quite approachable unless you're like me and stubbornly look in the wrong places for a long time lol)

am 19. September 2022, 18:00 Uhr von Wessel Strijkstra
Great puz, refreshing idea and smooth solve.

am 19. September 2022, 17:57 Uhr von purpl
That was a lot of fun! You totally pranked me with this set up because I miscalculated something :D

am 18. September 2022, 10:38 Uhr von Schwupel
Great puzzle! All individual steps are not too difficult but very lovely at the same time. Top notch creation!

Schwierigkeit:3
Bewertung:96 %
Gelöst:66 mal
Beobachtet:5 mal
ID:000B9U

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