Wiseacre
(Published on 10. April 2026, 05:30 by NicoD)
Rules
Normal sudoku rules apply.
In the finished grid, each 2x2 square of cells has to contain at least one even digit (2/4/6/8) and one odd digit (1/3/5/7/9) [Global parity].
White dots join cells with consecutive digits; black dots join cells whose digits are in a 1:2 ratio. Not all dots are given.
Solution code: Row 9
Comments
on 14. April 2026, 23:14 by hundertzwoelf
Many lovely deductions! Almost forgot about the global constraint halfway through :D
on 11. April 2026, 10:07 by AnebodaSlatorp
Interesting right to the end
on 11. April 2026, 05:32 by BorisTheSnake
Neat idea, liked it a lot
on 10. April 2026, 22:55 by Onkel_Dagobert
Wow, this puzzle just wouldn‘t break. Hardly have I ever solved a puzzle that stayed interesting for so long. Also, some very nice interactions needed to be found. Great job!
on 10. April 2026, 19:09 by Franjo
Thank you very much for creating and sharing this nice and approachable puzzle.
on 10. April 2026, 16:14 by GeorgeTheToad2
Lovely constraint.
on 10. April 2026, 09:04 by Snookerfan
Fun puzzle! Global parity is really nice, thanks
