Normal sudoku rules apply. Digits must not repeat on the main diagonals. 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. 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 1.5 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.
on 15. August 2022, 16:17 by PDN777
Thanks to the five of you for the solves and marvelous feedback. And @wenchang, thanks for the video solve! :-)
on 13. August 2022, 21:14 by wenchang
https://youtu.be/v8el2MxiYeU
Nice and smooth!
on 13. August 2022, 02:16 by haligonian
Deceptively tricky - I loved this!
on 11. August 2022, 21:30 by Chelo
very nice puzzle @PDN, thank you
on 11. August 2022, 18:50 by thoughtbyte
Very nice fun and approachable puzzle. Thanks PDN!
on 11. August 2022, 17:27 by Harold
A very nice flowthrough. Fun to solve!