2026-10-19 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 2 has only one safe cell left: R2C6.
4. R2C6 rules out cells in its row, column, color region, and touching neighborhood.
5. Region 4 has only one safe cell left: R4C3.
6. R4C3 rules out cells in its row, column, color region, and touching neighborhood.
7. Row 3 has only one safe cell left: R3C1.
8. R3C1 rules out cells in its row, column, color region, and touching neighborhood.
9. A cat at R5C7 leaves no valid completion, so exclude it.
10. Row 5 has only one safe cell left: R5C5.
11. R5C5 rules out cells in its row, column, color region, and touching neighborhood.
12. Row 6 has only one safe cell left: R6C7.
13. R6C7 rules out cells in its row, column, color region, and touching neighborhood.
14. Row 7 has only one safe cell left: R7C4.