From the Archive

#421Wed, Feb 25, 2026

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

medium15 x 15
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 #421

Nonogram #421 appeared on Wed, Feb 25, 2026 as medium difficulty on a 15x15 grid. Its solution fills 92 of 225 cells — 41% density, a fairly open picture where empty cells do a lot of the work. The clues break down into 47 runs across all rows and columns. The longest single run is 9 cells, in row 3, and the busiest line is column 6 with 3 separate runs to place. Like every daily here, it has exactly one solution reachable by logic alone.

Clues for puzzle #421

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 (15 rows)
LineClue
11
23 1
39
45 4
56 3
64 3
74 1
83
95
108
113 8
129
139
142
151
Column clues (15 columns)
LineClue
11
23 2
38
48
58
65 3 1
73 7
82 5
92 4
103 3
114 3
126 3
131 1 3
142
151