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Strange Pattern

(Published on 21. December 2025, 03:13 by Chaotix37)

So I haven't set a puzzle for a long time.

Strange Pattern

Normal Sudoku Rules Apply. Each row, column, and 3x3 box, must have 1-9 without repetition.

Diagonal: Digits along the blue lines cannot repeat the same digit

Non-consecutive: Orthogonaly adjacent cells cannot be consecutive.

Solve in Sudokupad

Solution code: Negative Diagonal(Left to right, top to bottom) (Starting from Row 1 column 1, row 2 column 2, up to row 9 column 9)(9 Digits)

Last changed on on 23. December 2025, 13:19

Solved by AN_not_IO, muule, Karitsu, tgstar, maniacaljackal, wjdrumm, Densii2048, Marshal on Mars, metacom, saxdaddyj, FireTruckFuel, Rearden, Hyoryn, jalebc, EFlatMinor, Blombit, Fisherman, pepe74287, ... Bimatalajati, Harold, DutchMark, Frankster, iWoodyy, gafl, bereolosp, caLiber, Zarlino, krauthaufer.michael, clem, Kekes, dp198879, Lahotos, MurtyQ, rav, cdeelman, TheGreyBrewer, Nonio7, stinger10x
Full list

Comments

on 6. January 2026, 10:56 by Dialo_Malison
This puzzle put a very big smile on my face! Thanks!

on 23. December 2025, 13:19 by Chaotix37
added orthogonaly in the adjacent

on 23. December 2025, 11:43 by NetFelix
Was confused about wether adjacent meant kings move adjacent or orthogonally adjacent. Assumed wrong but after noticing i couldnt fill in numbers anywhere corrected and it was a pretty easy one! Fun pattern

on 23. December 2025, 06:00 by TomT
Good fun

on 22. December 2025, 22:40 by PuzzlePatzer
nice! I didn't even notice the solution until I had to copy it :)
Enjoyed it very much, thanks.

on 22. December 2025, 18:09 by Mozart40
9:40 for me. Indeed a strange pattern. After break-in everything came together easily.

on 22. December 2025, 13:39 by soyorin
Very Nice Puzzle! It's truly a strange pattern! Enjoyed so much! Thanks for sharing! :D

on 21. December 2025, 21:32 by Pairot
Took me a good 20 minutes of crazy pencil marks before I found where to make progress. Great puzzle though!

on 21. December 2025, 19:45 by Onkel_Dagobert
A snack. Under 15 minutes. Thank you and merry Christmas.

on 21. December 2025, 18:03 by macintux
The adjacency negative constraint made the ending very fast and the beginning painfully slow. Very nice puzzle but definitely 2 stars for me.

on 21. December 2025, 16:53 by abihummel
Delightful solve! Love the symmetry!

on 21. December 2025, 11:23 by TheJRMY
This took me 68 minutes. Most of that was spent staring at it before reading the rules and noticing the adjacency constraint. D’oh.

on 21. December 2025, 10:03 by Fisherman
Christmas.

on 21. December 2025, 03:22 by Chaotix37
forgot to add ) on the solution code description

Difficulty:1
Rating:91 %
Solved:198 times
Observed:4 times
ID:000QN6

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