PlaySudoku.us
Expert · Puzzle #304
5
2
7
5
4
2
8
5
1
9
4
2
7
1
3
8
5
9
6
1
9
9
8
6
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.