PlaySudoku.us
Medium · Puzzle #994
9
1
3
6
9
2
7
9
1
5
1
7
3
6
8
3
8
1
2
8
9
1
2
6
9
5
5
7
7
4
8
1
3
9
A valid Sudoku puzzle has exactly one solution. If it has two or more, it's considered broken.
A valid Sudoku puzzle has exactly one solution. If it has two or more, it's considered broken.
A valid Sudoku puzzle has exactly one solution. If it has two or more, it's considered broken.
A valid Sudoku puzzle has exactly one solution. If it has two or more, it's considered broken.