From the Archive

#419 — Mon, Feb 23, 2026

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.

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About puzzle #419

Nonogram #419 appeared on Mon, Feb 23, 2026 as hard difficulty on a 20x20 grid. Its solution fills 151 of 400 cells — 38% density, a fairly open picture where empty cells do a lot of the work. The clues break down into 65 runs across all rows and columns. The longest single run is 18 cells, in row 4, and the busiest line is row 10 with 4 separate runs to place. Like every daily here, it has exactly one solution reachable by logic alone.

Clues for puzzle #419

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)
Line	Clue
1	1
2	2 8
3	4 10
4	18
5	9 7
6	7 7
7	5 7
8	2 6
9	1 5
10	2 1 2 4
11	3 3 3
12	4 3 3
13	3 3
14	2 3
15	4
16	3
17	3
18	1
19	1
20	1

Column clues (20 columns)
Line	Clue
1	1
2	2 1
3	4
4	7
5	6 3
6	6 4
7	10
8	4 2
9	4
10	4
11	3 2
12	3 3
13	5 3
14	6
15	7 3
16	8 7
17	16
18	13
19	10
20	4

Line	Clue
1	1
2	2 1
3	4
4	7
5	6 3
6	6 4
7	10
8	4 2
9	4
10	4
11	3 2
12	3 3
13	5 3
14	6
15	7 3
16	8 7
17	16
18	13
19	10
20	4

Line	Clue
1	1
2	2 1
3	4
4	7
5	6 3
6	6 4
7	10
8	4 2
9	4
10	4
11	3 2
12	3 3
13	5 3
14	6
15	7 3
16	8 7
17	16
18	13
19	10
20	4

Line	Clue
1	1
2	2 1
3	4
4	7
5	6 3
6	6 4
7	10
8	4 2
9	4
10	4
11	3 2
12	3 3
13	5 3
14	6
15	7 3
16	8 7
17	16
18	13
19	10
20	4