2026-08-07 daily answer

Step-by-step reasoning

1. Region 6 has only one safe cell left: R6C6.
2. R6C6 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 8 has only one safe cell left: R8C3.
4. R8C3 rules out cells in its row, column, color region, and touching neighborhood.
5. Region 1 has only one safe cell left: R1C4.
6. R1C4 rules out cells in its row, column, color region, and touching neighborhood.
7. Region 2 has only one safe cell left: R2C8.
8. R2C8 rules out cells in its row, column, color region, and touching neighborhood.
9. Row 7 has only one safe cell left: R7C1.
10. R7C1 rules out cells in its row, column, color region, and touching neighborhood.
11. Row 5 has only one safe cell left: R5C2.
12. R5C2 rules out cells in its row, column, color region, and touching neighborhood.
13. Row 3 has only one safe cell left: R3C5.
14. R3C5 rules out cells in its row, column, color region, and touching neighborhood.
15. Row 4 has only one safe cell left: R4C7.