Order Within Chaos / Ordnung im Chaos
(Published on 11. March 2022, 15:11 by PDN777)
Normal sudoku rules apply. Standard Kropki (no negative constraint), Odd, Sandwich Sum, and Little Killer rules apply. (Neighboring digits marked with a white Kropki dot are consecutive. Neighboring digits marked with a black Kropki dot have a 2 to 1 ratio. Not all dots are given. Cells with grey circles must contain odd numbers. The numbers on the outside of the grid refer to the adjacent row or column, and indicate that the digits residing between the 1 and 9 must sum to that number [do not include the 1 or 9 in the sum]. Numbers outside the grid indicate the sum of the digits on their indicated diagonal. Digits on these diagonals may repeat when otherwise allowed.) I think this puzzle is 2.5 stars out of 5 for difficulty for many solvers. As always, comments welcome!
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Solution code: First row of puzzle, and fourth column of puzzle (read top to bottom). Enter as a string of 18 digits, no spaces.
Comments
on 23. April 2022, 18:38 by PDN777
Refined instructions.
on 15. March 2022, 02:04 by Squiz
This one took me a while. Harder than your usual puzzles but still quite approachable, thanks PDN
** Yeah, thank you. Maybe 2.5 stars was not quite high enough. But I'm glad you made it through! :-)
on 14. March 2022, 17:12 by erik
Very clean solve path. lots of fun interactions between the different constraints. I particularly enjoyed how the sandwich vs. little killer clues and kropki interact for the open
** Thanks Erik. I always appreciate your solves and comments.
on 12. March 2022, 15:41 by PDN777
Thank you @rhodri and @ImMitchell for the lovely comments and solves. Have a great day!
on 12. March 2022, 12:40 by rhodri
Loved this, once again! Thank you
on 11. March 2022, 22:10 by ImMitchell
Fun puzzle. Nice linear solve path with smooth transitions between steps
