Fröbelstern
(Published on 1. December 2021, 03:14 by Arlo Lipof)
Rules:
- Normal Sudoku rules apply.
- On green lines, the sum of any two neighbouring digits is prime.
- On red lines, the sum of any two neighbouring digits is not prime.
I hope you'll enjoy this unusual (yet fun) rule set! Comments are welcome.
Solution code: Row 9 then Column 1 (18-digit number without spaces)
Comments
on 11. March 2022, 18:40 by Bankey
Very elegant puzzle. Thanks, @ Arlo Lipof :)
A: Thank you very much!
on 10. December 2021, 22:29 by djorr
Very fun! I really like this rule set.
A: Thank you djorr!
on 2. December 2021, 18:12 by Dweezy
The logic behind this rule set is quite interesting, I think lot of good things can grow from it!
A: I'm happy to read you enjoyed the logic behind it! I did too. ;-)
on 1. December 2021, 18:00 by SKORP17
es fehlt beim Link zu f-puzzles eine grüne Linie (r9c5/6)
A: Vielen dank für den Hinweis: ich habe die Links ersetzt.
on 1. December 2021, 17:45 by gbrljt
The logical path on this is superb and fun to discover! And thank you for adding f-puzzles and CTC links for people like me who really needs colorblind-friendly solving. ^^
A: Thank you for your kind words, I'm glad you liked it! And sorry for the inconvenience regarding the colours.
on 1. December 2021, 17:11 by Arlo Lipof
Links to F-Puzzles and CTC added: thank you very much tenaliraman !
on 1. December 2021, 16:38 by tenaliraman
Nice puzzle! :-)
F-puzzles and CTC link for those who would like to use those interfaces:
https://f-puzzles.com/?id=y3466rdv
https://tinyurl.com/2ju95yp9
[A: Thank you very much, that's very kind of you!]
