---
title: "Mistake Rush #11: 5 Sudoku Boards, 5 Mistakes | Sudoku Flow"
description: "Five small Sudoku boards, one wrong number in each. Mistake Rush #11: count how many you find, then check every answer."
url: https://sudokuflow.com/puzzles/mistake-rush-11/
language: en
---
[Puzzles](https://sudokuflow.com/puzzles/) / Mistake Rush #11
Mistake Rush
# Mistake Rush #11
Five small boards, one wrong number in each. In the video you get a few seconds per board; here you can take your time.
[Watch on YouTube](https://youtube.com/shorts/qOcmfvEZxcI)
## Board 1 · 4×4
Tap the digit you think is wrong.
Mistake Rush #11 · Board 1 · 4×4:
```text
. . | 3 2*
2 3 | 4 1*
------+------
. . | 2* .
3 4* | 1* 4
```
Digits marked * were filled in by a player; the others were printed with the puzzle.
Show the answer
It's the blue 4 in row 4, column 2. Row 4 already has a printed 4 (row 4, column 4). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 2.
## Board 2 · 4×4
Tap the digit you think is wrong.
Mistake Rush #11 · Board 2 · 4×4:
```text
2 3 | 1* .
1* . | 2* .
------+------
3 2* | 1 4*
4 1 | . .
```
Digits marked * were filled in by a player; the others were printed with the puzzle.
Show the answer
It's the blue 1 in row 1, column 3. Column 3 already has a printed 1 (row 3, column 3). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 4.
## Board 3 · 6×6
Tap the digit you think is wrong.
Mistake Rush #11 · Board 3 · 6×6:
```text
4 1 . | 2* 4* 6
2* 3 6 | . . 5*
---------+---------
3 . 2 | . 5 4
1* 5 4* | 6* 2 .
---------+---------
5 4 . | 3* . 2
. 2* 3* | 5* . 1
```
Digits marked * were filled in by a player; the others were printed with the puzzle.
Show the answer
It's the blue 4 in row 1, column 5. Row 1 already has a printed 4 (row 1, column 1). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 3.
## Board 4 · 6×6
Tap the digit you think is wrong.
Mistake Rush #11 · Board 4 · 6×6:
```text
. 3* 6* | . 5* 4
. 5 4 | 6 1* 2*
---------+---------
5* 1 . | 4* 3 .
6 4 . | 1 2 .
---------+---------
4* 2* 5 | 3 6 1*
. . 1* | 5 . 2
```
Digits marked * were filled in by a player; the others were printed with the puzzle.
Show the answer
It's the blue 2 in row 2, column 6. Column 6 already has a printed 2 (row 6, column 6). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 3.
## Board 5 · 6×6
Tap the digit you think is wrong.
Mistake Rush #11 · Board 5 · 6×6:
```text
5* 2* 1 | 6 3* 4*
6* 3 . | . 5* 2
---------+---------
2* 1* 3* | . . 1
4 . 5* | . . 3
---------+---------
1 4* 6 | 3 2 .
. 5 2 | . 1 6
```
Digits marked * were filled in by a player; the others were printed with the puzzle.
Show the answer
It's the blue 1 in row 3, column 2. Row 3 already has a printed 1 (row 3, column 6). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 6.
## 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.