--- title: "Find the Mistake Sudoku #24 | Sudoku Flow" description: "Sudoku puzzle #24: a half-finished board with 58 digits, 32 of them filled in by a player, and one of those is wrong. Find it in five seconds, then check the answer." url: https://sudokuflow.com/puzzles/find-the-mistake-24/ language: en --- [Puzzles](https://sudokuflow.com/puzzles/) / Find the mistake #24 [Find the mistake](https://sudokuflow.com/find-the-mistake/) # Find the mistake #24 One digit on this board breaks the rules. The game is half finished: some digits were printed with the puzzle, the others were filled in by a player. Give yourself five seconds before the video shows it. ## Reading the board ## Where to start This board has 58 digits and 32 of them are blue, so those 32 are the only suspects. The most crowded line is column 2, with 9 digits: a good place to start. [How to find a mistake in Sudoku →](https://sudokuflow.com/guides/find-a-mistake/) ## Try it here Tap the digit you think is wrong. Sudoku board for Find the mistake #24: ```text 4 3* . | 1 . 9* | 2 6* . . 1* 2* | . 6 . | . . 9 9 6* 7 | 3 2* 8* | 4* 5* 1* ---------+----------+--------- . 4* . | 7* 8* 1* | 9* 2 6 . 7* . | 9* 3 2* | 5 1* 4 3* 2 9 | . . 6 | 8* 7 3 ---------+----------+--------- 2* 8* 4 | 6 1* 3* | . 9* 5* . 9* . | 8 . 5 | 1 . 2* . 5 1* | 2* 9 . | 6 . . ``` Digits marked * were filled in by a player; the others were printed with the puzzle.
Show the answer It's the blue 3 in row 6, column 1. Row 6 already has a printed 3 (row 6, column 9). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 1.
Video transcript **On screen:** One number is wrong. / How fast did you find it? **Voice:** One number is wrong! Three! Two! One! Right there! How fast did you find it?
How fast did you find it? Tell us under the video. [Watch on YouTube](https://youtube.com/shorts/loiG5uXf7Ak)
Embed this puzzle Copy this code to show the puzzle on your own site or blog. It links back here.
## More puzzles [![Find the mistake #25](https://sudokuflow.com/media/puzzles/find-the-mistake-25-en.jpg?v=ce623fdd25)](https://sudokuflow.com/puzzles/find-the-mistake-25/): Find the mistake #25 11 s video [![Find the mistake #23](https://sudokuflow.com/media/puzzles/find-the-mistake-23-en.jpg?v=7db0cdf27d)](https://sudokuflow.com/puzzles/find-the-mistake-23/): Find the mistake #23 11 s video [![Find the mistake #22](https://sudokuflow.com/media/puzzles/find-the-mistake-22-en.jpg?v=ce2a3d139c)](https://sudokuflow.com/puzzles/find-the-mistake-22/): Find the mistake #22 11 s video [![Find the mistake #21](https://sudokuflow.com/media/puzzles/find-the-mistake-21-en.jpg?v=15f9ef203b)](https://sudokuflow.com/puzzles/find-the-mistake-21/): Find the mistake #21 11 s video ![Sudoku app icon](https://sudokuflow.com/assets/app-icon.png) ## Want more boards like this? We also make a Sudoku app for iPhone, iPad, Mac and Android. There are no ads in it at all, it works offline, and when you ask for a hint it shows you the technique instead of just filling in a number. [App Store iPhone, iPad, Mac](https://apps.apple.com/app/apple-store/id6502922368?pt=125379530&ct=sudokuflow_web&mt=8) [Google Play Android](https://play.google.com/store/apps/details?id=com.rubigogames.sudoku&referrer=utm_source%3Dsudokuflow%26utm_medium%3Dweb%26utm_campaign%3Dsite) Sudoku Flow is made by Rubigo Games, the developer of the Sudoku app recommended on this site.