2026-10-24 daily answer

Step-by-step reasoning

1. Region 1 has only one safe cell left: R1C3.
2. R1C3 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 5 has only one safe cell left: R5C2.
4. R5C2 rules out cells in its row, column, color region, and touching neighborhood.
5. Region 6 has only one safe cell left: R6C9.
6. R6C9 rules out cells in its row, column, color region, and touching neighborhood.
7. Region 3 has only one safe cell left: R3C8.
8. R3C8 rules out cells in its row, column, color region, and touching neighborhood.
9. Region 8 has only one safe cell left: R8C7.
10. R8C7 rules out cells in its row, column, color region, and touching neighborhood.
11. Region 9 has only one safe cell left: R9C5.
12. R9C5 rules out cells in its row, column, color region, and touching neighborhood.
13. Region 7 has only one safe cell left: R7C4.
14. R7C4 rules out cells in its row, column, color region, and touching neighborhood.
15. Row 4 has only one safe cell left: R4C6.
16. R4C6 rules out cells in its row, column, color region, and touching neighborhood.
17. Row 2 has only one safe cell left: R2C1.