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Sudoku
Tap a cell, then a number. No timer.
easy
medium
hard
New
3
4
8
7
2
9
6
1
7
4
6
2
8
2
9
5
1
3
7
5
7
1
4
8
8
9
2
7
4
1
5
3
8
7
2
8
7
9
5
7
8
9
3
6
2
1
2
3
4
5
6
7
8
9
Erase
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