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Sudoku
👆 Tap a square, then tap a number to fill it in
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Hard
6
3
5
7
4
7
6
5
4
1
8
9
3
4
3
5
6
3
6
7
4
9
8
1
2
2
7
1
5
8
9
7
7
6
9
2
4
8
9
5
7
3
1
2
3
4
5
6
7
8
9
✕
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