Logic Masters Deutschland e.V.

Strange Loop

(Published on 28. September 2021, 16:33 by Andrewsarchus)



Rules:
  • Standard Sudoku rules apply.
  • Lockout Lines: The diamonds at the end of each segment must differ by at least 4. The digits on the line between the diamonds must not be between, nor equal to the digits in the diamonds. Digits may repeat on the line if allowed by other rules.
  • 159: For X in {1,5,9}, the digit in column X identifies the column where the digit X occurs in the row.
  • White dots: Adjoining cells have a difference of 1. Not all possible dots are given.

Play Online:

     f-puzzles: Strange Loop

Solution code: Row 7 and Column 7
(left to right, top to bottom, no spaces)


Solved by fjam, PulverizingPancake, thetiredsaint, kaitoJD, riffclown, polar, antiknight, tallcat, zetamath, grkles, smckinley, Chilly, ogi.djukovic, Phistomefel, SKORP17, virtual, Xenonetix, SirWoezel, ... CastleSheepside, Niverio, twototenth, Tyrgannus, DadJokes, Raumplaner, Crusader175, Vebby, zer0keefie, ghosting, Myxo, ClashCode, zhergan, Las4one, h5663454, isajo4002, wisty, dumediat, SeveNateNine
Full list

Comments

on 29. June 2023, 22:13 by Myxo
Wonderful puzzle! Very tough break-in.

on 5. September 2022, 20:58 by twototenth
Brutal, yet fascinating. Remarkable in every sense of the word.

on 2. January 2022, 16:54 by the_cogito
I had tried this puzzle not long after getting into the solving scene, and failed to find what I was supposed to look for, and quit in frustration. However, I decided this morning to try it again, since I've now had quite a bit of practice with the 159 constraint, and wow! Nothing short of a virtuosic use of all 3 of these constraints. Lovely puzzle with tight and beautiful logic throughout.

on 19. October 2021, 01:57 by Xenonetix
Outstanding puzzle! Very pleased that this is my first ever 5/5 solve, and so immensely satisfying to do so! Epic work :D

on 2. October 2021, 03:05 by Chilly
Amazing puzzle Andrew! Hard but beautiful :)

on 30. September 2021, 01:06 by tallcat
Extremely difficult but immensely satisfying!! Minimalist setting at its best

on 29. September 2021, 22:52 by antiknight
This puzzle is extremely brutal !

on 29. September 2021, 02:32 by riffclown
I literally stared at that loop for two days. I find myself STILL staring at that loop..Incredible Puzzle!! Phenomenal is an understatement.

Difficulty:5
Rating:99 %
Solved:42 times
Observed:5 times
ID:0007RO

Variant combination Online solving tool

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Solution code:

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