Normal Sudoku rules.
Renban
Digits along a blue line are a set of consecutive digits in any order.
Skyscraper
Digits in the grid represent skyscrapers of that height. Higher skyscrapers obscure smaller ones. Clues outside the grid show the number of visible skyscrapers in that row/column from the clue's direction of view.
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Solution code: row 6 and column 8
on 12. April 2023, 00:22 by dennischen
Broke this three separate times but finally got through the last 4* Florian Wortmann puzzle published (as of now) :) Thanks!
on 24. October 2021, 12:48 by Florian Wortmann
Added ctc-app link
on 8. August 2021, 16:19 by Florian Wortmann
fixed tags
on 3. July 2021, 21:00 by nunc
It was really hard, but satisfying when I'd done it. Thanks!
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Thank you for solving :-)
on 28. June 2021, 11:22 by Vebby
Very nice! I hadn't done a skyscraper in a while so particularly enjoyed the logic in this one. :)
on 28. June 2021, 00:00 by Florian Wortmann
Added skyscraper tag.
on 27. June 2021, 23:52 by Florian Wortmann
Changed difficulty from 3* to 4*
on 27. June 2021, 23:19 by PulverizingPancake
Very nice puzzle, but I do agree with Henry that this is significantly harder than 3/5.
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Thanks for your feedback, I'm glad you liked it.
on 27. June 2021, 16:44 by henrypijames
At least 4 stars for me. Broke it so many times I almost gave up.
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Thanks for sticking with it and congrats on solving!
Skyscraper logic is defenitely tough at times. This weekend I have been working on a follow-up puzzle which has melted my brain :-)