Logic Masters Deutschland e.V.

Broken Windmill (double arrow sudoku)

(Published on 18. January 2026, 12:07 by Aspartagcus)

I said there would be more almost rotationally symmetrical sudokus to come in my last puzzle description, do here we are. This one should be easier.

RULES:
Sudoku: Fill each row, column and region with the digits 1-9.
Arrows: Digits on an arrow sum to the digit in the circle of that arrow.
Double arrows: Digits on a line sum to the sum of the digits on the end of the line. All double arrows lines are straight.

And this is the puzzle:


Here is a plain version:


Enjoy!

Links to solve it online:
Pretty version
Plain version

Solution code: Row 9


Solved by cornish-john, Exigus, Merovius, Qodec, Mr_tn, Krisonium, MB_Cyclist, damo_89, Harold, CorpJigsQuand, SKORP17, Piatato, tuturitu, samuel1997, Elliott810, scushuaishuai, brskri, b413x, MalkoMann2, emoney1374, gutelaunekruemel, Sktx, soyorin, by81996672, sedici, lancer102rus, redfoot, SFP, zlotnleo, Shmartus, plinke, Voidslime
Full list

Comments

yesterday, 18:12 by Voidslime
For me this was very fun and very easy. Its interesting, I think a certain type of solver kinda just sees it immediately and it feels like a very fun snack but i also imagine this being nearly impossible without testing for some other types of solvers. I’m being vague so i don’t hint at the logic

on 18. January 2026, 19:50 by CorpJigsQuand
Cool puzzle. But also somehow weird for me. Guess i made it more difficult than it should have been.
Maybe i am dumb sometimes.

on 18. January 2026, 18:49 by damo_89
Gorgeous, more approachable than it first looked.

(Also thanks for providing the cosmetic lite version, much easier to scan on my phone)

on 18. January 2026, 13:10 by Exigus
Very pretty setup. Thanks!

Difficulty:3
Rating:97 %
Solved:32 times
Observed:1 times
ID:000R2A

Puzzle variant

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Solution code:

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