2026-07-30 daily answer

Step-by-step reasoning

1. Region 2 has only one safe cell left: R2C2.
2. R2C2 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 3 has only one safe cell left: R3C7.
4. R3C7 rules out cells in its row, column, color region, and touching neighborhood.
5. Region 5 has only one safe cell left: R5C6.
6. R5C6 rules out cells in its row, column, color region, and touching neighborhood.
7. A cat at R1C5 leaves no valid completion, so exclude it.
8. Row 1 has only one safe cell left: R1C4.
9. R1C4 rules out cells in its row, column, color region, and touching neighborhood.
10. Column 5 has only one safe cell left: R7C5.
11. R7C5 rules out cells in its row, column, color region, and touching neighborhood.
12. Region 6 has only one safe cell left: R6C3.
13. R6C3 rules out cells in its row, column, color region, and touching neighborhood.
14. Row 4 has only one safe cell left: R4C1.