Did You Know?

The minimum number of clues needed to create a valid Sudoku with a unique solution is 17.

Did You Know?
✓ Completed! 👍
3
9
4
2
6
8
6
9
4
1
3
4
1
8
5
2
7
5
6
3
4
7
4
5
6
3
1
2
8
9
2
7
1
8
4
5
5
6
8
7
6
3
5
7
9
4
Did You Know?

The minimum number of clues needed to create a valid Sudoku with a unique solution is 17.

Did You Know?