Sudoku
Easy
Medium
Hard
Expert
Daily Challenge
New Game
Hint
Undo
Redo
00:00
Pause
4
5
6
7
4
5
7
8
1
3
9
1
4
6
2
6
5
8
3
6
5
8
9
7
1
4
8
9
4
1
4
9
6
4
7
8
5
3
5
3
4
2
1
2
3
4
5
6
7
8
9
✕
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New Game