Sudoku Walkthrough
A visual walkthrough of the most important concepts.
This isn’t a full solve — it’s a guided tour of the patterns you’ll use all the time.
New to Sudoku? Read How to Play.
Step 1: Identify the givens
Spot the bold, tinted numbers that are fixed clues.
5
3
7
6
1
9
5
9
8
6
8
6
3
4
8
3
1
7
2
6
6
2
8
4
1
9
5
8
7
Step 2: Finish an easy row
Find a row or column that is missing only one number.
5
3
6
7
8
9
1
2
6
1
9
5
9
8
6
8
6
3
4
8
3
1
7
2
6
6
2
8
4
1
9
5
8
7
Step 3: Use the 3x3 box
Cross-check rows and columns to place a number in the box.
5
3
4
7
6
2
1
9
5
1
9
8
6
8
6
3
4
8
3
1
7
2
6
6
2
8
4
1
9
5
8
7
9
Step 4: Pencil Mode hints
Jot candidates in Pencil Mode before committing.
5
3
1
2
4
6
7
6
1
9
5
9
8
6
8
6
3
4
8
2
5
7
9
3
1
7
2
6
6
2
8
4
1
9
5
8
7
More Coming
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Want quick answers? See the Sudoku FAQ.