What is the answer to Nonocross Level 21?

The answer to Nonocross Level 21 is Smile. The picture is drawn on a 8×8 grid with 52 of 64 cells filled (81% density). The full solved grid is shown above.

What grid size is Level 21?

Nonocross Level 21 uses a 8×8 grid with 64 total cells. Of those, 52 are filled and 12 are empty.

Where do I start on Level 21?

Rows 3, 4, 5... are completely filled, giving 4 immediate entry points. Open the row-by-row logic table on this page for a labelled breakdown of every row.

How do I read the clues for Level 21?

Each number on a row or column clue names a run of consecutive filled cells. For level 21, the grid has 8 row clues and 8 column clues. Multiple numbers in one clue mean multiple separate runs with at least one empty cell between them, in order.

What category is Nonocross Level 21?

Level 21 does not carry a named category label in the puzzle data.

Nonocross Level 21 Answers - Smile (8x8 Grid)

Nonocross Level 21 Solution

Tap to reveal the solved grid

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Picture: SMILE

Level 21 is a 8×8 nonogram. The solved picture is SMILE, with 52 filled cells out of 64 - 81% density. Rows 3, 4, 5... are completely filled, giving 4 immediate entry points.

Fill density81%

The Smile puzzle at level 21 fills 52 of 64 cells in a 8×8 nonogram - 81% density. Across all 60 levels the average is 66%. This grid has 8 row clues and 8 column clues to work from.

Row-by-row logic notes

Row	Clue	Filled	Note
1	4	4	SYMMETRIC Identical to row 8. Solve either one to know both.
2	6	6	FORCED 4 cells forced (slack=2). Overlap the largest block against both ends to mark the guaranteed fill.
3	8	8	FULL ROW Entire row is filled (8 of 8). Immediate entry: fill all cells.
4	8	8	FULL ROW Entire row is filled (8 of 8). Immediate entry: fill all cells.
5	8	8	FULL ROW Entire row is filled (8 of 8). Immediate entry: fill all cells.
6	8	8	FULL ROW Entire row is filled (8 of 8). Immediate entry: fill all cells.
7	6	6	FORCED 4 cells forced (slack=2). Overlap the largest block against both ends to mark the guaranteed fill.
8	4	4	SYMMETRIC Identical to row 1. Solve either one to know both.

Nearby levels

18 - Ninja 19 - Avocado 20 - Willow 22 - Cup 23 - Lock 24 - Rosebush

Frequently asked questions

What is the answer to Nonocross Level 21?

The answer to Nonocross Level 21 is Smile. The picture is drawn on a 8×8 grid with 52 of 64 cells filled (81% density). The full solved grid is shown above.
What grid size is Level 21?

Nonocross Level 21 uses a 8×8 grid with 64 total cells. Of those, 52 are filled and 12 are empty.
Where do I start on Level 21?

Rows 3, 4, 5... are completely filled, giving 4 immediate entry points. Open the row-by-row logic table on this page for a labelled breakdown of every row.
How do I read the clues for Level 21?

Each number on a row or column clue names a run of consecutive filled cells. For level 21, the grid has 8 row clues and 8 column clues. Multiple numbers in one clue mean multiple separate runs with at least one empty cell between them, in order.
What category is Nonocross Level 21?

Level 21 does not carry a named category label in the puzzle data.

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