Logic Masters Deutschland e.V.

Skyscraper^2 Sudoku

(Eingestellt am 5. August 2020, 13:47 Uhr von Prasanna16391)

This is an idea I had come up with for WPC 2017 (This is also an idea that Chalb had used in 2013, which I thank Christoph for making me aware of - Please check Puzzle IDs 1TM and 1TF to see his puzzles) which led to a whole "Puzzle Squared" round where the rest of our team contributed some nice ideas too. I have revisited the idea here and combined it with Sudoku constraints.

Rules: Follow Regular Sudoku rules. Each digit inside the grid represents the height of the skyscraper in that cell, as does each digit to be filled in R0, C0, R10 and C10. Taller Skyscrapers hide shorter ones and ones of the same size. The numbers beside diagonal lines give the number of Skyscraper clues seen in the corresponding directions in R0, C0, R10 and C10 respectively and all the digits placed there give the number of Skyscrapers seen in the corresponding row or column inside the grid.

A clue in a circle is the sum of the digits in the two cells on either side of the clue.

Here is an example of how the meta Skyscraper clues work.

Solve on Penpa here.

Lösungscode: Enter the 11 digits inclusive of the Skyscraper clues in Row 9 from left to right followed by the 11 digits in Column 5 from top to bottom.

Zuletzt geändert am 7. August 2020, 20:21 Uhr

Gelöst von bakpao, rob, jackisaacbryan, Madmahogany, Circleconstant314, emmettcito, Genomico, kishy72, Statistica, stefliew, geronimo92, NikolaZ, polar, Uhu, StefanSch, zorant, cfop, zhergan, Vebby, Gnosis66, ManuH
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am 20. Dezember 2021, 18:23 Uhr von Vebby
Stunning construction! Loved it! Thanks Prasanna :)

am 14. August 2020, 16:28 Uhr von Prasanna16391
The Killer pair clues are for the Skyscraper digits to be entered outside the grid.

Zuletzt geändert am 13. August 2020, 20:05 Uhr

am 13. August 2020, 20:04 Uhr von marcmees
in the two cells ... isn't that inside the grid, as the first digits in the 2 adjacent rows?

Zuletzt geändert am 12. August 2020, 13:43 Uhr

am 12. August 2020, 12:37 Uhr von Statistica
The clues in the circles: Are they sums of the values in the Sudoku-grid or the sums of the corresponding skyscraper-clues for the rows?

...Okay, Skyscraper-clues.

am 7. August 2020, 23:54 Uhr von Genomico
Beautifully constructed Prasanna

am 7. August 2020, 20:21 Uhr von Prasanna16391
Added credits to Chalb

am 7. August 2020, 20:17 Uhr von Prasanna16391
Thanks for sharing Christoph. I didn't know this variant existed. I think its a really nice way to extend the Skyscraper ruleset. I'll edit the description to note the earlier puzzles as well.

am 7. August 2020, 12:44 Uhr von Realshaggy
For everybody who liked the idea, I suggest to have a look at puzzle ID 1TM and 1TF by Chalb back from 2013.

am 6. August 2020, 13:46 Uhr von emmettcito
Took me awhile to find the entrance but well worth it. Absolutely magnificent puzzle!! :D

am 6. August 2020, 07:37 Uhr von Prasanna16391
added tag

am 6. August 2020, 00:04 Uhr von glum_hippo
Be sure to add the Sudoku tag, otherwise someone will break out in a rash. ;-)

am 5. August 2020, 22:27 Uhr von Madmahogany
Incredible construction!

am 5. August 2020, 21:36 Uhr von jackisaacbryan
Amazing solve! Very hard work but totally worth it in the end! I can't even fathom how you set this solve path!

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