Logic Masters Deutschland e.V.

Entropic Doll (Entropic Lines, Russian Doll Sums)

(Published on 28. September 2024, 17:30 by Crusader175)

My puzzle for the third round of the Speed Setting Competition hosted by Gene. Combining my selected variant (Entropic Lines) and Gene's invention (Russian Doll Sums).
Rules:

Normal sudoku rules apply.

Entropic Lines: Any set of three sequential cells along an entropic line must contain a low (1,2,3), middle (4,5,6), and high (7,8,9) digit.

Russian Doll Sums: Clues outside the grid indicate that in that row or column there exists two digits which sum to the clue such that digits between them also sum to the clue.
Example: 594 / 1278 / 25137 is a valid combination for the clue of 9.
Puzzle Link: SudokuPad

My youtube channel on solving sudoku: Crusader Puzzle

Solution code: Column 4

Last changed on on 7. October 2024, 16:28

Solved by SKORP17, ademjaz, brimmy, jalebc, arteful, Notlob, marcmees, lovely7998, terrible_casserole, Kichelle, gxorgx, nikka240, cathematician, nimrandir, Miaocik, wilbeans, lianarox, Harag, ZornsLemon, jams
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Comments

Last changed on 5. October 2024, 07:33

on 5. October 2024, 05:00 by ZornsLemon
@Crusader175: Sorry, you're totally right. I was thinking about it in the context of a similar rule I've seen once that allowed for the possibility of the two digits being adjacent (but somehow stated it subtly), and my brain just kept filling in that blank. But, of course, being a contingency, it has to be stated explicitly. Which you didn't. Just sudoku rule hallucination on my part.

Reply: No worries, thank you for solving!

Last changed on 4. October 2024, 10:39

on 1. October 2024, 22:06 by ZornsLemon
Really nice puzzle! But you need to specify a non-zero number of between digits, otherwise you get solution degeneracy

Reply: Thank you! I'm not sure what you mean by non-zero, because if it's zero digits between them it's not summing to the clues.

Last changed on 4. October 2024, 10:38

on 28. September 2024, 18:18 by ademjaz
Great puzzle!

Reply: Thank you ademjaz!

Difficulty:3
Rating:88 %
Solved:20 times
Observed:0 times
ID:000K1F

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