PlaySudoku.us
Expert · Puzzle #25
9
8
3
2
9
5
6
7
4
2
8
1
4
7
5
3
1
2
6
9
6
3
4
1
2
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.