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