Orchid's Revenge
(Published on 1. October 2024, 12:34 by Abdul the Killer)
Standard Sudoku rules apply.
SHADING: In the completed grid, cells containing numbers exactly one greater than an immediate neighbour (diagonal or orthogonal) within their box are shaded (and otherwise unshaded).
YIN YANG: The shaded cells form a single orthogonally connected region, as do the unshaded cells. No 2x2 region is wholly shaded or unshaded.
ARROWS: Values in cells with arrows give the number of shaded cells in the indicated direction. All possible arrows are given.
(In Settings>Hide Background Image needs to be set to Off).
Solution code: Row 1
Comments
on 6. December 2025, 22:31 by ozgaz
Hi ATK - I check for your puzzles regularly as well. Hope all is good for you.
on 14. August 2025, 19:30 by TaeChi
Every couple of months, I come back here to check for a new puzzle. I've always loved your work. Hope you are well.
on 6. March 2025, 23:08 by Shuhua Milk
Nice!
on 25. January 2025, 00:24 by shteev
I really enjoy these puzzles, although I find them very hard, especially if I haven't done one in a while! Made a couple of catastrophic errors with this one and had some restarts, but I got there in the end.
on 17. January 2025, 06:39 by pms_headache
I love your puzzles, and miss them! Thank you for the hours of pleasure you brought me. Hope to see you here again some day!
on 9. October 2024, 18:48 by Abdul the Killer
Thanks to everyone for their kind comments, and forgive me for not thanking you sooner.
on 9. October 2024, 18:39 by zrbakhtiar
uh oh. you okay? miss this week upload. hope you okay
--It's very nice of you to ask after me. I'm fine but professional demands on my time mean I have very little opportunity to create puzzles. I'll be back in a few weeks. ---ATK
on 5. October 2024, 17:24 by NEWS
Since arrows cannot display on my computer, I recreated the grid with answer check. Website: https://sudokupad.app/x92b0wbtad
on 2. October 2024, 21:44 by Voidslime
I agree with some others that this is the hardest one yet and very satisfying!
on 2. October 2024, 17:16 by HertogHJ
The first time I got stuck pretty fast... Then I noticed the word 'diagonal'.
The second time I was having a great time until I broke the puzzle... Then I noticed the words 'within their box'.
The third time it still took me a long time, but managed to solve it. A lot of unusual logic in this one.
Great puzzle!
on 2. October 2024, 14:14 by Franjo
For me this was the best and most challenging puzzle of your YY-arrows-combination. Especially I liked to disambiguate the arrows in r34c6. Thank you very much for creating and sharing this masterpiece.
on 2. October 2024, 07:49 by Tamuha
Wonderful.
I had a great time. Fantastic how it solves with only 15 arrows.
on 2. October 2024, 04:22 by sahi1l
It took me 100 minutes but I made it through! Thank you!
on 30. September 2024, 13:45 by Abdul the Killer
Demands on my time mean I'm going to have to take a break for a few weeks. See you all later.
