PlaySudoku.us
Easy · Puzzle #321
5
1
6
9
7
8
7
3
9
5
6
4
2
1
8
3
9
1
7
6
4
5
8
2
2
5
7
3
8
6
9
3
2
7
6
8
3
4
6
3
7
8
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.