In December 2021 there was a logic puzzle advent calender on mathebau.rocks, containing variants of standard puzzles. These puzzles are now uploaded to the puzzle portal.
Rules: Blacken three cells in each region, such that all orthogonally connected black areas consist of exactly three cells.
Solution code: Row 7 and column 9: S for black, W for white
on 3. August 2024, 17:16 by CJK
Link aktualisiert
on 21. April 2024, 20:10 by cameleon
Link is broken
on 12. January 2023, 05:54 by wisty
Wonderful ruleset and such a lovely execution! Thank you :)
on 6. February 2022, 01:58 by ERClawson
Loved this one!
on 3. February 2022, 20:33 by SudokuExplorer
It's great to find another Norinori variant here, thanks! :-)