Logic Masters Deutschland e.V.

Dutch Arrows

(Published on 1. February 2026, 00:22 by juggler)

Click on the puzzle image to play


Normal Sudoku rules apply.

DUTCH ARROWS - A digit on an orange arrow indicates how many cells in the indicated direction differ from it by at least 4.

Solution code: Row 1


Solved by Manta-Ray, gdc, KlausRG, emoney1374, DanishDynamite, PuzzBmcg, Greg, fkib, Calvinball, Titan29, widjo, Steven R, Krisonium, scushuaishuai, by81996672, lina_hyena, superkinkel, masetab, EFlatMinor, ... raaaaa, koba1917, NotVeryNeat, dellC, uttumuttu, Scojo, SennyK, flyjim, BG03, ThePussInBoots, Crulamin, OJPS, DetroitPiston, avcp, Crusader175, mitchalltogether, thek3nger, 3ColorTheorem, Elizy
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Comments

on 3. February 2026, 10:52 by botteur
Really nice puzzle, with a very good and intuitive flow

on 3. February 2026, 07:18 by SHERAX
nice refreshing rule set love it

on 2. February 2026, 07:02 by antiknight
Lovely puzzle with an awesome ruleset! Enjoyed the deductions at the start.

on 2. February 2026, 05:28 by RandyDan
Brilliant puzzle

on 1. February 2026, 18:00 by damo_89
Awesome construction

on 1. February 2026, 13:29 by rojspencer
Nicely done. Fun to work through.

Last changed on 2. February 2026, 03:44

on 1. February 2026, 13:06 by eladv
There's a "genre" of juggler sudokus that I call "non-linear constraints" puzzles: those are the puzzles where making the digit on the clue bigger makes the constraints easier to satisfy on a per-cell basis, but more cells need to "comply": so the digit on the cell is pulled by two opposite forces, in both sides. Juggler is the master of these constraints, and I think he's set at least 15 of these puzzles, maybe more. But out of those, I think this one is my favorite. The flow is amazing, and the non-linear constraints play beautiful roles throughout.

P.S. Ok, this is not a classical "non-linear constraint", because actually an 8 on an arrow puts as much pressure on the digits the arrow points to as a 2 on an arrow; but a 5 on an arrow puts way more pressure. So when you go up the digits, the pressure first increases, then decreases, while in a "classical" non-linear constraint puzzle, when you go up the digits, the pressure just decreases. However, solving this feels a lot like solving the classical ones, so I also think of this as a non-linear constraints puzzle.
---
juggler: that's a really nice observation, thank you for noticing, and all your kind comments on my puzzles <3

on 1. February 2026, 11:50 by Black_Doom
Fantastic setting

on 1. February 2026, 11:37 by dawidk
Brilliant setting

on 1. February 2026, 11:08 by Franjo
Brilliant idea, brilliant setting! Thank you very much for creating and sharing another lovely puzzle.

on 1. February 2026, 09:20 by Exigus
Interesting how strong the constraint is, just a few little arrows. Thanks!

on 1. February 2026, 02:54 by DanishDynamite
Loved it!

Difficulty:2
Rating:97 %
Solved:133 times
Observed:1 times
ID:000R8Z

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