PlaySudoku.us
Expert · Puzzle #502
3
5
6
8
8
1
2
5
4
9
6
4
2
9
4
8
3
5
9
1
6
2
3
5
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.