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