Nightwatch hints for September 11, 2026

Every square that could light one of these dark squares lies inside this one courtyard, so its lantern is one of them — the rest of the courtyard is out.

Look at the teal courtyard that includes the square at row 1, column 1.

Every square that could light row 1, column 1 lies in this courtyard, so its lantern is one of them — 6 other squares are out.

Squares this rules out:

• row 2, column 2
• row 2, column 3
• row 2, column 4
• row 2, column 5
• row 3, column 2
• row 3, column 3

7 lanterns, one in each courtyard:

1. row 1, column 1
2. row 1, column 7
3. row 2, column 6
4. row 3, column 8
5. row 6, column 7
6. row 7, column 3
7. row 8, column 5