PlaySudoku.us
Medium · Puzzle #986
9
6
5
7
4
5
6
7
7
4
1
2
4
1
8
5
7
4
8
2
6
6
4
2
8
7
3
3
2
5
4
The minimum number of clues needed to create a valid Sudoku with a unique solution is 17.
The minimum number of clues needed to create a valid Sudoku with a unique solution is 17.
The minimum number of clues needed to create a valid Sudoku with a unique solution is 17.
The minimum number of clues needed to create a valid Sudoku with a unique solution is 17.