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