Logic Masters Deutschland e.V.

Wormholes (Chaos Construction)

(Eingestellt am 28. Mai 2025, 18:27 Uhr von kingoffries)

Regular Sudoku rules apply.

Place the digits 1 to 9 in nine groups of orthogonally connected groups of cells, to be determined by the user.

Cells with a grey square are even; cells with a grey circle are odd.

The grid is filled with wormholes. Each square marks a wormhole entrance and each circle a wormhole exit. Cells connected by a wormhole are considered orthogonally adjacent.

Also, the number in each square and circle determines the number of connected cells on that side of the wormhole which are in the same region as the square or circle.

A region may never border itself.

Cells that border an X are in different regions and sum to 10. Cells that border a V are in different regions and sum to 5. Cells that sum to 5 or 10 that are not marked share the same region.

The cells that border the white diamond have a different parity and do not share the same region.

Sample Puzzle Unsolved:

Sample Puzzle Solved:

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SudokuPad

Lösungscode: Row 6 with borders separated by dashes

Zuletzt geändert am 28. Mai 2025, 23:41 Uhr

Gelöst von Piff, GoogleEnPassant, AKernel, Jesper, StephenEsven, VicJameson, bulguline, Steaky, zZSandStormZz, Eespi, tgstar, h5663454, tryote, shifman23, IamNumberN, Andrewmi3, thrutch, jerbear29, biorycbyd, ... tecu, misko, Laermans, tonald, robokong, Cryccu, Drewpacabra, feverlute, nordloc, 999ARMEN999, zakkai, Paletron, gnidan, akamchinjir, tellnes, zeneszerzo, IrishDevil, dpsy, gdc, anotherpaulistring
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Kommentare

am 31. Mai 2025, 05:29 Uhr von Smauger
Wow. I've been recently challenging myself by trying more chaos construction puzzles and this one seemed to have interesting enough directions that I felt good giving it a try. Certainly needed to backtrack and correct a few errors, but 80 something minutes later, wow. Thank you for sharing this - I hope we see more wormholes in the future!

Zuletzt geändert am 30. Mai 2025, 15:16 Uhr

am 29. Mai 2025, 22:55 Uhr von Glasgow
Beautifully constructed puzzle with a lot of interesting logic. I’d happily do more like this. Very satisfying. Thanks!
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You'd happily do more? Tempting! Maybe I'll revisit the wormhole concept. I have been toying around with other disjoint region concepts recently as well.

am 29. Mai 2025, 21:05 Uhr von Exigus
Amazing, seemed almost impossible at the start but bit by bit it came together beautifully. Thanks!

Zuletzt geändert am 29. Mai 2025, 20:26 Uhr

am 29. Mai 2025, 20:17 Uhr von madhupt
Very enjoyable puzzle! The solve path initially is very tight and one slip here or there may be quite fatal. But the end was a little disappointing where the grid finished with alot of coloring still remaining.
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Glad you enjoyed it! I guess there's a way to deduce the remaining gaps without filling in unfortunately...

Zuletzt geändert am 29. Mai 2025, 20:24 Uhr

am 29. Mai 2025, 20:00 Uhr von tubahat
Can a region contain at most one wormhole end?
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If by end you mean a region with just a square or just a circle, no, each square and circle are paired. Hint Warning! If you mean whether a region could comprise of multiple wormholes, you can logically deduce the answer to that with just the second wormhole rule.
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that second question is what i was asking, and you are absolutely right!

Zuletzt geändert am 29. Mai 2025, 20:22 Uhr

am 29. Mai 2025, 18:00 Uhr von mihel111
Deserves a tv show. Very well done
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Well if you know a guy... ;)

am 29. Mai 2025, 16:55 Uhr von wuc
The example helped me to understand the rules very fast thx. Was sure this was 5* at first. But the solve was very smooth and fair. 4* fits for me. Awesome setting thx.

Zuletzt geändert am 29. Mai 2025, 16:24 Uhr

am 29. Mai 2025, 15:58 Uhr von erml
Took me a while getting my head around the rules, broke the puzzle more than once, but in the end it was worth every second. Absolute gem of a puzzle, thank you!

am 29. Mai 2025, 12:35 Uhr von Snookerfan
Very nice puzzle! Really smooth after the break-in, thank you!

am 29. Mai 2025, 09:52 Uhr von Belamis
Great puzzle with some very unique logic - Thanks

am 29. Mai 2025, 04:35 Uhr von tryote
Loved the logic this required. Very fun!

am 29. Mai 2025, 00:59 Uhr von zZSandStormZz
First time doing a sudoku like this and loved it!

am 29. Mai 2025, 00:35 Uhr von VicJameson
This was quite a challenge having little experience with chaos construction puzzles, but the logic flowed very beautifully. Such a good puzzle. Thanks.

am 28. Mai 2025, 23:41 Uhr von kingoffries
Added sample 5x5 puzzle

Zuletzt geändert am 28. Mai 2025, 22:36 Uhr

am 28. Mai 2025, 21:13 Uhr von MaizeGator
Seems like an interesting idea, but quite confusing. Is there a 6x6 example puzzle to demonstrate the ruleset?
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KingOfFries: Funny enough, a 6x6 grid breaks the ruleset. Hint Warning! Think about the rule that a square or circle with value n is part of a sub-region comprised of n cells, and the fact that each odd circle is paired with an even square.

Schwierigkeit:4
Bewertung:97 %
Gelöst:115 mal
Beobachtet:4 mal
ID:000NKM

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