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