Classic Sudoku - Quadcore
(Published on 20. June 2020, 12:06 by Phistomefel)
Since a search led to nothing, I simply named the constellation "quadcore". If sombody of you knows this pattern, please tell me. As it needs some advanced sudoku techniques to set up the constellation, I rate the difficulty of the puzzle as average.
Here the sudoku is available online via Penpa edit. verfügbar.
Solution code: First and last row
Comments
on 20. January 2022, 08:32 by cdwg2000
@nair
You should hide your comments.
on 21. August 2021, 18:47 by Phistomefel
Added tag "Online solving tool".
on 7. December 2020, 01:24 by jchan18
https://f-puzzles.com/?id=yyat8g4k
on 20. June 2020, 18:17 by Big Tiger
Well, at one point I had to just experiment (bifurcate?) with a pair and rule one out. But I'm going to count it because from what I've seen on CTC, this may be the only time I solve a Phistomefel puzzle, ha ha.
on 20. June 2020, 15:41 by Realshaggy
Thats the burden of creating harder Classic Sudokus. It's a lot harder compared to some variants. There is a high chance to destroy carefully set up hard steps, unless you put a lot of effort in testing and tweaking to avoid that. (Not that I say there wasn't much effort put into this one.)
on 20. June 2020, 14:43 by Phistomefel
Unfortunately, it seems like there are a lot of ways to solve this puzzle without the need of the pattern I found. If you are interested in the pattern, I will write a little bit about it in a hidden comment.
