From the Archive

#20Mon, Jan 20, 2025

Past puzzle — replay any time. Does not affect your streak.

hard20 x 20
Generating puzzle…

A free nonogram (picross) puzzle, fresh every day. Use the row and column number clues to fill in the correct cells.

About puzzle #20

Nonogram #20 appeared on Mon, Jan 20, 2025 as hard difficulty on a 20x20 grid. Its solution fills 200 of 400 cells — 50% density, a balanced picture with roughly as much ink as empty space. The clues break down into 64 runs across all rows and columns. The longest single run is 15 cells, in row 5, and the busiest line is column 18 with 3 separate runs to place. Like every daily here, it has exactly one solution reachable by logic alone.

Clues for puzzle #20

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.

Row clues (20 rows)
LineClue
11
23
35 4
47 8
515
62 9
72 8
83 8
912
1012
112 11
1212
1310 2
1410 3
159 3
169 3
176 5
183 6
191 5
201
Column clues (20 columns)
LineClue
11
21
31 1
414
515
65 11
74 12
84 11
915
1013
1112
1211
1311 1
1410 3
158 5
165 6
174 7
182 2 3
191
201