Parity Islands
(Published on 27. October 2023, 21:46 by yttrio)
Rules:
Normal Sudoku rules apply.
Orthogonally connected cells of the same parity (odd vs. even) are parity islands. A digit in a circle indicates the size of the island that cell is in.
6x6 Example:
The image below shows a sample 6x6 puzzle and solution with the same rule set.
Play the example 6x6 in f-puzzles.
Play the example 6x6 in SudokuPad.
Solution code: Row 6
Comments
on 21. December 2023, 22:52 by poundcayx
superb! very unique and surprising logic.
on 4. December 2023, 19:23 by annaswan
This was really fun! The entry point was intuitive and the logic was very satisfying to piece together.
on 3. November 2023, 05:49 by fitzie
this is absolutely top ten for the year puzzle for me. not insanely tough, but a lot of fun logic, and really satisfying learning curve and finish.
on 3. November 2023, 02:03 by Agent
Very nice!
on 29. October 2023, 21:42 by ViKingPrime
Another brilliant parity puzzle, a joy to solve.
on 29. October 2023, 15:12 by Myreque
Excellent puzzle, thank you very much! I am glad I didn't give up mid-solve :). The 6x6 example was also very useful to get into the right mindset when things got difficult.
on 29. October 2023, 10:16 by Blashyrkh
Wow, that was amazing. A lot of variation in the logical deductions required.
on 28. October 2023, 14:43 by Christounet
Funny how it starts off so easy and gradually presents its little challenges. Very well set. Thanks :)
on 28. October 2023, 13:54 by Franjo
Nice ruleset with a perfect setting! Enjoyed each single step of the solution. Thank you so much for sharing this beauty.
on 28. October 2023, 05:47 by Ambrose
Very fun, well crafted!
on 28. October 2023, 02:52 by MicroStudy
simple to grasp, but very elegantly executed
on 27. October 2023, 23:10 by OutOfMyMindBRB
What a delightful puzzle!
Such a simple ruleset too - love it
