Yin-Yawake
(Published on 18. April 2025, 18:45 by webato)
1.All white cells must be orthogonally connected in a single group
2.All black cells must be orthogonally connected in a single group
3. no 2x2 groups of cells can be all the same color
4. A straight line of cells of the same color must not cross more than one region border.
Penpa
Solution code: From top to bottom, the number of white cells in each row
Solved by KNT, tiuhto, jessica6, SKORP17, Jesper, Calesch, gsansone, puzzler05, JohnsonM, utsavb, CHalb, mech, Franjo, rubbeng, JustinTucker, Raistlen, NEWS, MonsieurTRISTE, Dandelo, Mystoph, jkuo7, TheZwierz, ... moss, HakabaRemi, tuace, fraxxtal, jde1025, Kirnball, bereolosp, SumDumThum, Zibl, 12zhime, razor2811, hirassy, mdjvz, CalvinM, 5381, Laje6, LabRat, yttrio, /AZURE, Thomster, kangaroo, toxicfig