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