PlaySudoku.us
Easy · Puzzle #50
5
7
8
2
9
6
7
8
1
1
2
6
7
2
4
1
9
8
5
6
3
5
6
2
8
7
9
9
3
7
2
4
2
6
8
5
4
8
5
7
9
3
5
6
2
7
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.