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🔢 Sudoku
Fill the board so every row, column, and box contains 1-9
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⏱ 0:00
9
2
1
.
4
.
3
.
7
.
7
.
.
5
2
6
4
9
.
.
6
9
7
3
.
.
1
4
6
8
3
1
.
.
2
.
7
.
9
4
2
6
.
1
3
3
.
.
.
8
5
4
9
6
2
8
.
5
.
1
.
3
.
1
.
4
.
.
7
5
6
8
6
.
.
8
3
4
.
.
.
1
2
3
4
5
6
7
8
9
Erase