---
title: "Mistake Rush #6: 5 Sudoku Boards, 5 Mistakes | Sudoku Flow"
description: "Five small Sudoku boards, one wrong number in each. Mistake Rush #6: count how many you find, then check every answer."
url: https://sudokuflow.com/puzzles/mistake-rush-6/
language: en
---
[Puzzles](https://sudokuflow.com/puzzles/) / Mistake Rush #6
Mistake Rush
# Mistake Rush #6
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/sku4YL5sLmI)
## Board 1 · 4×4
Tap the digit you think is wrong.
Mistake Rush #6 · Board 1 · 4×4:
```text
. . | 2* 3*
2* . | 4 1*
------+------
4* 3 | 1 2
2 . | 3 .
```
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 1. Column 1 already has a printed 2 (row 4, column 1). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 3.
## Board 2 · 4×4
Tap the digit you think is wrong.
Mistake Rush #6 · Board 2 · 4×4:
```text
1* 2* | 3 .
4 . | . 1
------+------
3* 1* | 4 .
2 . | 2* 3
```
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 4, column 3. Row 4 already has a printed 2 (row 4, column 1). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 1.
## Board 3 · 6×6
Tap the digit you think is wrong.
Mistake Rush #6 · Board 3 · 6×6:
```text
1 3 5 | . . 6
6 . . | 5 . .
---------+---------
3 1 2* | . 5* 6*
5 4 6* | 3 . 2*
---------+---------
4 . 3 | 1* 2* 5*
2* 5 1* | 4 6* .
```
Digits marked * were filled in by a player; the others were printed with the puzzle.
Show the answer
It's the blue 6 in row 3, column 6. Column 6 already has a printed 6 (row 1, column 6). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 4.
## Board 4 · 6×6
Tap the digit you think is wrong.
Mistake Rush #6 · Board 4 · 6×6:
```text
. 6* 3 | 5 2 1*
5 1* 2* | 3* 6 .
---------+---------
4* . 1 | . 4 3
3* 2 . | 1* 5* 6
---------+---------
. 3 6 | 4* . .
. 4 5 | 6 . 2*
```
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 3, column 1. Row 3 already has a printed 4 (row 3, column 5). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 6.
## Board 5 · 6×6
Tap the digit you think is wrong.
Mistake Rush #6 · Board 5 · 6×6:
```text
6 1* 3 | 5 4* 2*
2 4 5 | . . 6
---------+---------
3 . 1* | 6* 5 4
. 6* 4* | 3* . 1
---------+---------
. . 2 | 5* 6* 3*
4 . 6 | 2 . .
```
Digits marked * were filled in by a player; the others were printed with the puzzle.
Show the answer
It's the blue 5 in row 5, column 4. Column 4 already has a printed 5 (row 1, column 4). A printed digit can't be wrong, so the blue one is. The right digit for that cell is 4.
## 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.