PlaySudoku.us
Evil · Puzzle #230
4
9
1
7
6
6
3
1
7
8
5
8
7
6
1
4
9
7
3
8
7
9
5
1
3
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.