PlaySudoku.us
Expert · Puzzle #340
9
8
1
7
2
3
2
6
5
2
5
4
7
8
3
1
5
4
9
3
4
8
9
1
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.