2026-09-22 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 7 has only one safe cell left: R7C2.
4. R7C2 rules out cells in its row, column, color region, and touching neighborhood.
5. A cat at R1C1 leaves no valid completion, so exclude it.
6. A cat at R1C3 leaves no valid completion, so exclude it.
7. A cat at R1C4 leaves no valid completion, so exclude it.
8. A cat at R1C7 leaves no valid completion, so exclude it.
9. Row 1 has only one safe cell left: R1C5.
10. R1C5 rules out cells in its row, column, color region, and touching neighborhood.
11. A cat at R2C1 leaves no valid completion, so exclude it.
12. Row 2 has only one safe cell left: R2C3.
13. R2C3 rules out cells in its row, column, color region, and touching neighborhood.
14. Row 4 has only one safe cell left: R4C1.
15. R4C1 rules out cells in its row, column, color region, and touching neighborhood.
16. Region 6 has only one safe cell left: R6C4.
17. R6C4 rules out cells in its row, column, color region, and touching neighborhood.
18. Row 5 has only one safe cell left: R5C7.