PlaySudoku.us
Evil · Puzzle #311
5
1
9
8
9
7
2
3
7
6
5
1
4
8
3
5
4
6
2
6
2
3
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.