PlaySudoku.us
Evil · Puzzle #410
5
3
4
2
5
6
6
8
1
8
2
3
2
1
3
7
9
2
5
9
1
7
4
5
9
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.