PlaySudoku.us
Expert · Puzzle #403
2
6
8
3
9
1
3
8
4
1
9
7
9
3
1
7
9
4
1
6
8
7
6
9
2
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.