2026-08-28 daily answer

Step-by-step reasoning

1. Region 3 has only one safe cell left: R3C1.
2. R3C1 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 5 has only one safe cell left: R5C6.
4. R5C6 rules out cells in its row, column, color region, and touching neighborhood.
5. Region 4 has only one safe cell left: R4C8.
6. R4C8 rules out cells in its row, column, color region, and touching neighborhood.
7. Region 1 has only one safe cell left: R1C7.
8. R1C7 rules out cells in its row, column, color region, and touching neighborhood.
9. Region 7 has only one safe cell left: R7C5.
10. R7C5 rules out cells in its row, column, color region, and touching neighborhood.
11. Column 4 has only one safe cell left: R2C4.
12. R2C4 rules out cells in its row, column, color region, and touching neighborhood.
13. Region 8 has only one safe cell left: R8C2.
14. R8C2 rules out cells in its row, column, color region, and touching neighborhood.
15. Row 6 has only one safe cell left: R6C3.