Enclosure
(Published on 21. September 2022, 01:11 by Xenonetix)
- Every digit from 1 to 9 appears once in every row, column, and region. 9 regions are to be determined. Every region is a set of 9 orthogonally connected cells.
- Digits in circles indicate the number of neighbouring regions (orthogonally) to that cell's own region.
- Digits in circles also indicate the number of orthogonally adjacent digits of its own odd/even parity, including itself.
Hope you enjoy the puzzle! 😄 - Any feedback or comments welcome!
Solution code: Column 9 (top to bottom) with dashes for region borders. (e.g. 123-4-56-789)
Comments
on 2. March 2024, 21:25 by Myxo
Very funny puzzle!
on 24. December 2022, 14:04 by Christounet
That was a brutal solve for me ! The midsolve was tricky but very intrresting with all the thinking around the region building and limits. It was nice to still have to thinks about the constraints to solve the irregular sudoku.
on 30. October 2022, 17:19 by Silverstep
Most surreal. The circles almost broke me - I keep thinking "there's no way it works like that, I must have broken the puzzle" then it turns out I did not break it after all. Beautiful stuff.
on 29. October 2022, 17:14 by Niverio
Lovely! Both the parity and the region enclosure constraint were utilized to the max in a very nice way!
on 7. October 2022, 00:10 by cdwg2000
Very nice!
on 22. September 2022, 21:13 by Jesper
Very nice, thanks!
on 22. September 2022, 15:44 by Piatato
Very nice! It’s always intriguing when something looks impossible at the first glance, but in fact turns out to work. The opening reminds me a bit of this masterpiece: https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?id=0008ZU
on 22. September 2022, 09:10 by MagnusJosefsson
Great puzzle, very enjoyable! Definitely deserves more solves!
on 21. September 2022, 21:25 by bansalsaab
What a beauty. Thanks for this.
on 21. September 2022, 04:03 by ONeill
Great puzzle, really enjoyed a particular bit of logic with the circles, thank you!
