2026-07-22 daily answer

Step-by-step reasoning

1. Region 2 has only one safe cell left: R2C7.
2. R2C7 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 3 has only one safe cell left: R3C3.
4. R3C3 rules out cells in its row, column, color region, and touching neighborhood.
5. Region 7 has only one safe cell left: R7C6.
6. R7C6 rules out cells in its row, column, color region, and touching neighborhood.
7. A cat at R1C1 leaves no valid completion, so exclude it.
8. Region 1 has only one safe cell left: R1C2.
9. R1C2 rules out cells in its row, column, color region, and touching neighborhood.
10. A cat at R4C1 leaves no valid completion, so exclude it.
11. Row 4 has only one safe cell left: R4C5.
12. R4C5 rules out cells in its row, column, color region, and touching neighborhood.
13. Row 5 has only one safe cell left: R5C1.
14. R5C1 rules out cells in its row, column, color region, and touching neighborhood.
15. Row 6 has only one safe cell left: R6C4.