Logic Masters Deutschland e.V.

Green Propaganda

(Published on 16. September 2026, 10:47 by Kjupatrick)

Green Propaganda by Patrick Junke

Rules:

Normal Sudoku rules apply.
(Place the digits 1–9 exactly once in each row, column, and 3×3 box.)

German Whisper rules apply.
(Adjacent digits along the green line must differ by at least 5.)

Dot rules apply to orthogonally adjacent cells:
- Any dot indicates that both digits are even.
- A blue dot indicates that the two digits sum to 10.
- A red dot indicates that the two digits sum to 12.
- Where there is no dot, the two digits are not both even, and they do not sum to 10 or 12.

Here is a link to a SudokuPad version of the grid.

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Solution code: The 9 digits of the last column from top to bottom:

Last changed on on 16. September 2026, 22:13

Solved by Adaki, Matti64, palletpusher, damyan_rm, jalebc, PierreTombal, zonny, MarthaB, fuxia, edwardio0, doodManBro, PinkNickels, YoBuggered, Fizz, ShuffBeeeell, pmatos, Notgoodatthis, cowabunghole, ... teuthida, terrible_casserole, ImpasseduPelican, Partario, Geese, Crul, Bconner5, creedthoughts, Montikulum, balpha, noxkiia, eripsa, jqhc, kangaroo, alexgreyy, owler, PippoForte, ebulku, Shmartus
Full list

Comments

Last changed on 19. September 2026, 12:43

on 18. September 2026, 16:16 by noxkiia
super satisfying and fresh! i loved solving this one :D

Patrick> Thanks noxkiia!

Last changed on 16. September 2026, 22:11

on 16. September 2026, 20:04 by KeenanN
Really cool how this puzzle kind of climbs its way up the grid with a very minimalistic set. Thanks for sharing!

Patrick> Thank you very much!

Last changed on 16. September 2026, 21:55

on 16. September 2026, 19:56 by DarissaKTR
Fun puzzle, the start feels very satisfying

Patrick> Yeah, I was very happy about the coloring... Thank you.

Last changed on 16. September 2026, 22:11

on 16. September 2026, 16:50 by YoBuggered
Did enjoy this a lot. Love the new set of rules.
Fun painting puzzle

Patrick> Thank you. The fun factor... Sometimes harder to get than the hard factor.

Last changed on 16. September 2026, 16:40

on 16. September 2026, 15:04 by zonny
Interesting ruleset, exquisitely implemented!

Patrick> Thank you!

Last changed on 16. September 2026, 13:09

on 16. September 2026, 12:55 by palletpusher
Very nice and smooth once I reread the rules. 48 minutes. Quite enjoyable; thank you

Patrick> Thanks palletpusher!

Last changed on 16. September 2026, 10:49

on 16. September 2026, 10:48 by Kjupatrick
Difficulty 2/5 with a peak at 3.5/5

Difficulty:2
Rating:89 %
Solved:62 times
Observed:0 times
ID:000UXF

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Solution code:

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