Did You Know?

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

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

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

Did You Know?