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