2026-07-16 daily answer

Step-by-step reasoning

1. Region 2 has only one safe cell left: R2C5.
2. R2C5 rules out cells in its row, column, color region, and touching neighborhood.
3. Region 5 has only one safe cell left: R5C2.
4. R5C2 rules out cells in its row, column, color region, and touching neighborhood.
5. Region 6 has only one safe cell left: R6C4.
6. R6C4 rules out cells in its row, column, color region, and touching neighborhood.
7. Region 7 has only one safe cell left: R7C7.
8. R7C7 rules out cells in its row, column, color region, and touching neighborhood.
9. Row 4 has only one safe cell left: R4C6.
10. R4C6 rules out cells in its row, column, color region, and touching neighborhood.
11. Row 3 has only one safe cell left: R3C1.
12. R3C1 rules out cells in its row, column, color region, and touching neighborhood.
13. Row 1 has only one safe cell left: R1C3.