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SONAR (German Whisper/Minesweeper)

(Published on 17. September 2025, 20:00 by damo_89)

The random constraint generator recommended German Whispers and Counting Circles. I think this is what was intended; there are circles and they count something. Consensus testing estimate was 2 to 3 stars. I am going to pitch at 3, but I hope solvers find it easier. Good luck!

  • Normal sudoku rules apply: Place the digits 1 to 9 once each in every row, column, and 3x3 box
  • German Whisper Minesweeper: A digit in a circle counts the number of digits in the (up to 8) surrounding cells that differ by at least 5 from the digit in the circle

Play in Sudokupad

Download full solution guide (PDF)

Solution code: Row 5


Solved by SKORP17, SenatorGronk, Joyofrandomness, Allagem, jalebc, marcmees, Exigus, Starlight, Mattisahuman, DanishDynamite, gdc, belnovic, galgamer, spookyripper, zeniko, robokong, paranoid, GodGamer, Prof.Dori, woody, brimmy, ViKingPrime, Scojo, aqjhs, karlmortenlunna, palpot, ThePedallingPianist
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Comments

on 18. September 2025, 13:47 by Exigus
Great fun. Thanks!

on 17. September 2025, 20:44 by SenatorGronk
Nice and smooth, I’d say 2 stars

Difficulty:3
Rating:94 %
Solved:27 times
Observed:1 times
ID:000P60

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