Logic Masters Deutschland e.V.

Windmill

(Published on 5. October 2026, 07:56 by berdy)

Classic Sudoku: Every row, column and 3x3 box must contain every number from 1 to 9. Adjacent digits along a green line have a difference of at least 5.

Made this puzzle to introduce German whispers to my partner, so I kept it light while having fun with the mechanic!

Solve online: SudokuPad

Solution code: Row 9

Last changed on on 5. October 2026, 18:01

Solved by Dermerlin, Terrapin, jalebc, fuxia, stranac, mijq, anton_anton, Rawcoder, L00ping007, zonny, gafl, Bunnehhh, flaemmchen, mkiesvaara, metacom, eriomon, MartinR, jgarber, Jayem, abs, XhcnoirX, ... digital_lighting, Nagesh, Frankster, Juburin, bereolosp, lockebyproxy, BlackApolloX, Orangezorki, qlr, JayBird, H.I. McDunnough, Onyx, drifting, Nonio7, ebulku, timww572, rifflter, patolucatis
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Comments

on 5. October 2026, 23:36 by LARSPARIS
Bon idea

on 5. October 2026, 18:01 by berdy
Thanks for the feedback! This is my first submission, so I wasn't very familiar with the solution code culture. The copy cells tip is a good one, I'll make sure to optimize my solution codes for brevity, contiguousness, or both. And 81 cells is pretty quick with cmd+A and copy, maybe faster than one row, why not indeed haha

Updated the code to just row 9

on 5. October 2026, 17:42 by Wenir
why not 81 digits? Just to be sure

on 5. October 2026, 14:45 by anothermember
Never understood all the complaints that long solution codes get. It's excessive but it's hardly an arduous task to type in a few more digits.

on 5. October 2026, 14:28 by Peteronium
Fun easy puzzle, but regardless whether it is doable or very cumbersome to copy or transcribe 18 digits: what purpose does it serve? Anything more than 4 digits is impossible to guess right and anything less than 7 is easy to remember => 5-6 digits would optimal.

Last changed on 5. October 2026, 12:50

on 5. October 2026, 12:48 by Rollo
Ich find's toll :-), auch wenn ich 18 Minuten gebraucht habe. Den Lösungscode konnte ich auch schnell aus sudokupad kopieren.
BTW: The solution code can definitely include spaces.

Last changed on 5. October 2026, 11:43

on 5. October 2026, 11:42 by firespire
I have no problem with 18 digits solve code if it is kept to rows, turning on and using the Sudokupad copy button copies two rows in the correct order.

I could do with the green lines being slightly less dark, I did have outline on digits on but small pencil marks do fade somewhat.

on 5. October 2026, 10:59 by NeeBats
Nice ! A good introduction to the German whispers clearly

on 5. October 2026, 10:53 by varbrad
Nice simple snack - 4:58 for me

on 5. October 2026, 10:25 by superkinkel
In general a nice snack but an 18 digit solution code is ridiculous, in particular since it even includes a given digit.

on 5. October 2026, 07:58 by berdy
Added a sentence to the description.

Difficulty:1
Rating:82 %
Solved:165 times
Observed:0 times
ID:000VCJ

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