2026-10-30 daily answer

Step-by-step reasoning

1. Region 1 has only one safe cell left: R1C7.
2. R1C7 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 2 has only one safe cell left: R2C4.
4. R2C4 rules out cells in its row, column, color region, and touching neighborhood.
5. Region 5 has only one safe cell left: R5C6.
6. R5C6 rules out cells in its row, column, color region, and touching neighborhood.
7. Region 7 has only one safe cell left: R7C8.
8. R7C8 rules out cells in its row, column, color region, and touching neighborhood.
9. Column 5 has only one safe cell left: R8C5.
10. R8C5 rules out cells in its row, column, color region, and touching neighborhood.
11. A cat at R3C2 leaves no valid completion, so exclude it.
12. Row 3 has only one safe cell left: R3C1.
13. R3C1 rules out cells in its row, column, color region, and touching neighborhood.
14. Row 4 has only one safe cell left: R4C3.
15. R4C3 rules out cells in its row, column, color region, and touching neighborhood.
16. Row 6 has only one safe cell left: R6C2.