Lucky 7
(Published on 22. November 2025, 04:01 by randall)
German Whispers puzzle, with a negative constraint on orthogonally (but not necessarily diagonally) connected cells
Click the puzzle image to play
RULES
- Normal Sudoku rules apply. Place the digits 1-9 in each row, column and box without repetition.
- German Whispers: Digits along a green line differ by at least 5
- All orthogonally connected cells that differ by at least 5 are connected by a green line
- Quadruples: Digits in the circles must all appear at least once in the cells touching them
Solution code: Row 7
Last changed on on 22. November 2025, 04:15
Solved by Bjd, SeveNateNine, Crusader175, Megalobrainiac, gxorgx, Mathemagier, SKORP17, Franjo, Sudopera, AsimSam, bansalsaab, Raktor, forsen, zonka, Ulistef, BenClancy, paranoid
Comments
Last changed on 23. November 2025, 00:28
on 22. November 2025, 19:14 by Franjo
Quite hard coloring exercise - until you get that lucky 7! Thank you very much for creating and sharing this beautiful puzzle.
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(randall) thanks for the kind comment! Glad you enjoyed the puzzle.
