PlaySudoku.us
Expert · Puzzle #142
7
3
5
1
4
5
6
2
7
2
6
5
4
9
4
8
2
9
4
8
1
6
7
3
9
8
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.