2026-07-19 daily answer

Step-by-step reasoning

1. Region 3 has only one safe cell left: R3C2.
2. R3C2 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 1 has only one safe cell left: R1C1.
4. R1C1 rules out cells in its row, column, color region, and touching neighborhood.
5. A cat at R2C4 leaves no valid completion, so exclude it.
6. A cat at R2C6 leaves no valid completion, so exclude it.
7. A cat at R2C7 leaves no valid completion, so exclude it.
8. Row 2 has only one safe cell left: R2C5.
9. R2C5 rules out cells in its row, column, color region, and touching neighborhood.
10. Region 4 has only one safe cell left: R4C7.
11. R4C7 rules out cells in its row, column, color region, and touching neighborhood.
12. A cat at R5C3 leaves no valid completion, so exclude it.
13. Row 5 has only one safe cell left: R5C4.
14. R5C4 rules out cells in its row, column, color region, and touching neighborhood.
15. Row 6 has only one safe cell left: R6C6.
16. R6C6 rules out cells in its row, column, color region, and touching neighborhood.
17. Row 7 has only one safe cell left: R7C3.