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
2
8
5
7
8
7
5
4
2
6
6
4
3
7
8
5
6
6
9
3
4
1
5
2
8
5
9
1
9
6
2
4
8
7
1
3
8
4
6
2
5
1
2
3
4
6
Did You Know?

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

Did You Know?