Logic Masters Deutschland e.V.

Tangled Skeins

(Eingestellt am 5. November 2022, 22:38 Uhr von DarthParadox)

Place the digits 1 through 9 once into each row, column, and 3x3 box.

The red lines are entropic lines; every set of three consecutive digits along an entropic line must include one low digit (1-3), one middle digit (4-6), and one high digit (7-9).

The blue lines are modular lines; every set of three consecutive digits along a modular line must include all three residues modulo 3, i.e. one digit from {1, 4, 7}, one from {2, 5, 8}, and one from {3, 6, 9}.

Digits in a cage must sum to the clue in the corner.

Online solvers:CTC, f-puzzles

Lösungscode: Row 1 followed by column 9, no spaces

Zuletzt geändert am 5. November 2022, 22:47 Uhr

Gelöst von lerroyy, shangchenxi123, Jagga, Luldreist , wisty, Kworb, butch02, Bobler, MohitR, Banana, Ye Nay Myo Han, Snookerfan, brimmy, AvonD, drbs, pepu273, sasheo, Imperial Marcher, by81996672, Bjd, Franjo, ... ecwyne, Gilleo, cegie, cbjenkins, dskaff, Qodec, ghosting, Nickyo, SKORP17, Megalobrainiac, karen_birgitta, rudaass, Illuminated, Frutlop, lovely, LadyShapeShifter, Felis_Timon, PippoForte, Crul
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Kommentare

am 9. November 2022, 22:04 Uhr von Qodec
Very cool! Thanks!

am 7. November 2022, 15:49 Uhr von EmX68
Enjoyed this one! Thank you!

Zuletzt geändert am 7. November 2022, 05:44 Uhr

am 6. November 2022, 22:11 Uhr von drbs
Very nice puzzle! Fully symmetric, except for the cages. Nice relation to Greek-Latin squares. Loved it, absolutely awesome.

am 6. November 2022, 18:20 Uhr von Snookerfan
Very nice puzzle! Thank you so much

am 6. November 2022, 03:43 Uhr von wisty
Lovely symmetry going on all over this puzzle! Really cool! My solve was very smooth as well, and not too difficult! Although I can't imagine how someone could solve this without either SudokuPad or pen and paper. I used letters ABC for modular residues and numbers 123 for entropic polarities, centermarking anything I knew. I think this is an intuitive way to follow what is going on in the grid in a way that for example even multicoloring would not convey, especially with the symmetry crossing between the mod lines and the entropic ones.

am 5. November 2022, 22:53 Uhr von lerroyy
Incredible puzzle! Thanks

am 5. November 2022, 22:47 Uhr von DarthParadox
Correcting typo

Schwierigkeit:3
Bewertung:95 %
Gelöst:48 mal
Beobachtet:4 mal
ID:000BWZ

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