PlaySudoku.us
Easy · Puzzle #230
4
3
2
6
7
1
3
5
2
9
9
1
4
6
3
3
1
7
5
6
2
8
8
1
4
7
5
3
7
4
5
1
9
6
3
8
1
5
4
5
8
4
7
3
9
6
7
4
8
2
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.