1
2
3
4
5
6
7
8
9
SUDOKU
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6
8
2
5
7
1
1
3
2
6
9
7
5
8
7
4
4
6
2
8
6
3
1
6
9
2
4
7
9
2
3
4
3
9
6
Instructions:
Fill in the grid with numbers 1 through 9. Each number occurs exactly once in each row, column, and 3x3 subgrid.
The diagonals are not considered and the numbers can be present in any order.