Logic Masters Deutschland e.V.

No 7 Sandwich

(Published on 18. July 2023, 19:15 by RockyRoer)

The Rules:

  1. Normal sudoku rules
  2. [Sandwich] - numbers out side the grid are the sum of the digits between the 1's and 9's.
  3. [NO 7 Sums] -- no pair of adjacent cells horizontally or vertically can add to 7.

The Puzzle: Try on CTC

Solution code: Column 5 from top to bottom


Solved by Dermerlin, Greg, SKORP17, Jacsn, bansalsaab, ficko, Nylimb, ClashCode, BlackApolloX, tuturitu, Bjd, AvonD, palpot, davidjshort, Askloomok, Elliott810, killer_rectangle, GarageDoorOpener, dskaff, ... HelloKetene, rysmyth240, H.I. McDunnough, dennischen, kkli, Julianl, KlausRG, Genomico, Benji, ajc, flipout, TinkerTroy, ManuH, glum_hippo, doomedmageknight, Vebby, PippoForte, SEPHEN, Saskia24
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Comments

on 24. September 2023, 20:22 by TinkerTroy
Wow, great use of the No7 rule. Sorry I missed this when it was first published, been a busy couple of months.

on 19. July 2023, 22:16 by RootsInWermland
That was a fantastic variant. The no 7 rule does some real magic for this puzzle and there was some truly beautiful logic around box 1 at a couple of instances. Thanks a lot!

on 19. July 2023, 18:20 by Franjo
Another extraordinary sandwich., mmh! Loved this one, too. Thank you so much for serving.

Difficulty:3
Rating:89 %
Solved:67 times
Observed:10 times
ID:000EIU

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Solution code:

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