2026-10-07 daily answer

Step-by-step reasoning

1. Region 5 has only one safe cell left: R5C2.
2. R5C2 rules out cells in its row, column, color region, and touching neighborhood.
3. A cat at R1C1 leaves no valid completion, so exclude it.
4. A cat at R1C3 leaves no valid completion, so exclude it.
5. A cat at R1C4 leaves no valid completion, so exclude it.
6. A cat at R1C5 leaves no valid completion, so exclude it.
7. A cat at R1C6 leaves no valid completion, so exclude it.
8. Row 1 has only one safe cell left: R1C7.
9. R1C7 rules out cells in its row, column, color region, and touching neighborhood.
10. Region 3 has only one safe cell left: R3C6.
11. R3C6 rules out cells in its row, column, color region, and touching neighborhood.
12. Row 4 has only one safe cell left: R4C4.
13. R4C4 rules out cells in its row, column, color region, and touching neighborhood.
14. Row 6 has only one safe cell left: R6C5.
15. R6C5 rules out cells in its row, column, color region, and touching neighborhood.
16. Region 2 has only one safe cell left: R2C1.
17. R2C1 rules out cells in its row, column, color region, and touching neighborhood.
18. Row 7 has only one safe cell left: R7C3.