#520 — Thu, Jun 4, 2026
Past puzzle — replay any time. Does not affect your streak.
A free nonogram (picross) puzzle, fresh every day. Use the row and column number clues to fill in the correct cells.
About puzzle #520
Nonogram #520 appeared on Thu, Jun 4, 2026 as hard difficulty on a 20x20 grid. Its solution fills 161 of 400 cells — 40% density, a fairly open picture where empty cells do a lot of the work. The clues break down into 63 runs across all rows and columns. The longest single run is 15 cells, in column 7, and the busiest line is row 11 with 3 separate runs to place. Like every daily here, it has exactly one solution reachable by logic alone.
Clues for puzzle #520
Each clue lists the lengths of the filled runs in that line, in order, with at least one empty cell between runs. A clue of 0 means the line is empty.
| Line | Clue |
|---|---|
| 1 | 2 |
| 2 | 12 2 |
| 3 | 13 3 |
| 4 | 12 |
| 5 | 11 |
| 6 | 9 |
| 7 | 8 |
| 8 | 8 |
| 9 | 4 3 |
| 10 | 3 6 |
| 11 | 1 2 6 |
| 12 | 2 7 |
| 13 | 3 7 |
| 14 | 3 8 |
| 15 | 4 7 |
| 16 | 3 3 |
| 17 | 3 1 |
| 18 | 3 |
| 19 | 1 |
| 20 | 1 |
| Line | Clue |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 5 |
| 4 | 5 |
| 5 | 6 3 |
| 6 | 14 |
| 7 | 15 |
| 8 | 9 4 |
| 9 | 8 5 |
| 10 | 7 2 |
| 11 | 7 |
| 12 | 8 |
| 13 | 4 3 3 |
| 14 | 3 9 |
| 15 | 1 7 |
| 16 | 6 |
| 17 | 2 6 |
| 18 | 2 6 |
| 19 | 1 5 |
| 20 | 3 |