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