2026-07-24 daily answer

Step-by-step reasoning

1. Region 3 has only one safe cell left: R3C6.
2. R3C6 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 4 has only one safe cell left: R4C1.
4. R4C1 rules out cells in its row, column, color region, and touching neighborhood.
5. Region 1 has only one safe cell left: R1C2.
6. R1C2 rules out cells in its row, column, color region, and touching neighborhood.
7. Region 5 has only one safe cell left: R5C5.
8. R5C5 rules out cells in its row, column, color region, and touching neighborhood.
9. Region 7 has only one safe cell left: R7C3.
10. R7C3 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: R8C8.
14. R8C8 rules out cells in its row, column, color region, and touching neighborhood.
15. Row 6 has only one safe cell left: R6C7.