Sudoku
Fill the 9×9 grid so every row, column, and box has 1–9
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5
4
6
8
9
2
6
7
1
9
3
4
9
8
4
2
6
7
8
9
7
1
4
3
4
2
8
5
7
9
7
1
3
9
2
4
8
5
6
9
6
1
5
3
7
2
8
4
2
8
7
4
1
9
6
3
5
3
4
5
2
8
6
1
7
9
1
2
3
4
5
6
7
8
9
15left
0pts
Rank #23
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