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