2026-08-04 daily answer

Step-by-step reasoning

1. Region 1 has only one safe cell left: R1C2.
2. R1C2 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 7 has only one safe cell left: R7C5.
4. R7C5 rules out cells in its row, column, color region, and touching neighborhood.
5. Region 6 has only one safe cell left: R6C1.
6. R6C1 rules out cells in its row, column, color region, and touching neighborhood.
7. A cat at R2C4 leaves no valid completion, so exclude it.
8. A cat at R2C6 leaves no valid completion, so exclude it.
9. Row 2 has only one safe cell left: R2C7.
10. R2C7 rules out cells in its row, column, color region, and touching neighborhood.
11. Region 4 has only one safe cell left: R4C6.
12. R4C6 rules out cells in its row, column, color region, and touching neighborhood.
13. Region 5 has only one safe cell left: R5C4.
14. R5C4 rules out cells in its row, column, color region, and touching neighborhood.
15. Row 3 has only one safe cell left: R3C3.