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