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Puzzle 6
Hard sudoku 6
Hard sudoku 6
5
8
6
3
4
1
2
3
5
1
7
9
4
3
5
9
3
8
1
8
5
4
7
3
9
1
Tap a square, then type a number.
0:00
1
2
3
4
5
6
7
8
9
×
Notes
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Arrow keys move, 1 to 9 fill, backspace clears, and N switches pencil marks on.
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