Rules:
Place the digits 1-9 once each into every row, column and box.
Adjacent digits on a green line differ by at least 5.
Have fun solving!
Solution code: Column 9
on 29. July 2026, 03:41 by tylerrioux
That took a lot of my focus but very satisfying, thank you!
on 27. July 2026, 17:29 by Anthony
I feel like the deductions I used to find the polarity were above 1 star, but I'm also not certain that it was necessary to do it the way I did it. Very fun, and not immediately obvious!
on 24. July 2026, 19:34 by abadx
Well constructed. Easy but not trivial. Just what I need of a 1 star puzzle. Thanks for setting
on 24. July 2026, 15:08 by Franjo
Thank you very much for creating and sharing such a lovely puzzle for beginners.
on 24. July 2026, 12:31 by varbrad
Nice colouring puzzle :)
on 24. July 2026, 11:38 by Jorava
That was a pleasant solve, nice deductions. I hope I didn't wake her up...
on 24. July 2026, 02:52 by Zzzzz...
like my name
on 24. July 2026, 00:39 by Lulero
Enjoyable! Thanks for sharing