2026-10-23 daily answer

Step-by-step reasoning

1. Region 7 has only one safe cell left: R7C6.
2. R7C6 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 8 has only one safe cell left: R8C1.
4. R8C1 rules out cells in its row, column, color region, and touching neighborhood.
5. A cat at R1C2 leaves no valid completion, so exclude it.
6. A cat at R1C3 leaves no valid completion, so exclude it.
7. A cat at R1C5 leaves no valid completion, so exclude it.
8. A cat at R1C7 leaves no valid completion, so exclude it.
9. A cat at R1C8 leaves no valid completion, so exclude it.
10. Row 1 has only one safe cell left: R1C4.
11. R1C4 rules out cells in its row, column, color region, and touching neighborhood.
12. Region 3 has only one safe cell left: R3C5.
13. R3C5 rules out cells in its row, column, color region, and touching neighborhood.
14. Region 2 has only one safe cell left: R2C8.
15. R2C8 rules out cells in its row, column, color region, and touching neighborhood.
16. A cat at R4C2 leaves no valid completion, so exclude it.
17. A cat at R4C7 leaves no valid completion, so exclude it.
18. Row 4 has only one safe cell left: R4C3.
19. R4C3 rules out cells in its row, column, color region, and touching neighborhood.
20. Row 5 has only one safe cell left: R5C7.
21. Row 6 has only one safe cell left: R6C2.