Here is another puzzle where I try to use a simpler ruleset. The puzzle is pretty easy except for one deduction in the middle that requires a bit of thought. But I'm sure you'll all get it one way or another. I hope you enjoy the puzzle, and as always, feedback is welcomed and encouraged.
Play online using Sudokupad
Solution code: Row 7 from left to right.
yesterday, 23:29 by GT-R Penguin
Very nice puzzle, thank you!
on 4. September 2026, 12:17 by realhollie
I can only second what jlaitio said. This is much more solvable once you remember the negative constraint :-)
Lovely puzzle!
on 4. September 2026, 08:57 by jlaitio
One day I will remember puzzle negative constraints, but it is not this day
on 4. September 2026, 00:07 by JVA
It took me a lot time to carefully color the low digits and place the first digit, but after that it was basically GAS. There was no actual "middle" to the solve.
on 3. September 2026, 21:02 by PinkNickels
I'm gonna getcha, getcha, getcha lol
| Difficulty: | ![]() |
| Rating: | 86 % |
| Solved: | 62 times |
| Observed: | 0 times |
| ID: | 000UOB |
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