PlaySudoku.us
Expert · Puzzle #241
8
7
9
1
8
3
9
6
4
3
3
8
9
5
2
1
2
1
8
1
6
3
6
7
5
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.