Logic Masters Deutschland e.V.

[159] Into the Fog

(Published on 1. May 2024, 07:32 by W1DEMAN)

If you're not sure about the [159] rule set, try [159] Echo.
It's very easy and works well as a tutorial.

__________________________

Rules:

Normal sudoku rules apply.

The grid is covered in fog, with an initial light source. Placing the correct digit in a cell will illuminate the cell, and the cells surrounding it.

Global Constraint
The digit in the 1 position of a box indexes the 1's location in that box.
The digit in the 5 position of a box indexes the 5's location in that box.
The digit in the 9 position of a box indexes the 9's location in that box.

The positions within a box being:

1 2 3
4 5 6
7 8 9

__________________________

If you enjoyed this puzzle, here are a few custom searches for [159] puzzles.

If you are inspired by any of my [159] puzzles, I invite you to set a puzzle featuring the ruleset. You can do so with or without the, "[159]" moniker.

Thanks for playing!

Solution code: Row 5 followed by row 6, no spaces.

Last changed on on 6. June 2024, 08:46

Solved by jalebc, Enkerro, rcg, pepe74287, chippers, EmX68, itweb, IAM3, flaemmchen, Myreque, halakani, logik66, x3y2z1, fuxia, BlackWolf, Stargazing Albatross, lmdemasi, MalkoMann2, Elliott810, Thibaa, Alce, ... Henricus, timww572, Askloomok, PippoForte, scushuaishuai, tdeo, larinae, forsen, PinkNickels, saydo17, humaLautema, belnovic, tobymgk, asver, ttennyson115, bugsduggan, antzervos, Vegan_warior
Full list

Comments

on 31. May 2024, 05:34 by Karitsu
Thoroughly enjoyed this one! Agreed with @Snaques; no idea how this is ranking below 90%.

on 17. May 2024, 17:44 by Snaques
I feel like this was a great puzzle. I don't quite get the sub 90 score.

I do love all 159 puzzles though, so maybe I'm biased.

on 11. May 2024, 01:30 by Mip
I really like the entropic/modularity dynamic that comes out of these 159 rules.

on 2. May 2024, 00:37 by ozgaz
My first time with this rule set - very enjoyable. Thanks for setting.

Difficulty:2
Rating:87 %
Solved:145 times
Observed:6 times
ID:000HWU

Enter solution

Solution code:

Login