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