Sudoku @ sz.dk
Max. level of difficulty
2x2 I'm a kid
2x2 I'm a big boy
2x2 Solver (blank puzzle)
3x3 Very easy
3x3 Easy
3x3 Medium
3x3 Hard
3x3 Very Hard
3x3 Evil
3x3 Solver (blank puzzle)
6
8
7
1
9
3
5
1
9
7
5
2
3
8
4
6
2
3
5
4
6
8
9
7
1
3
5
6
1
4
7
2
8
4
1
2
9
7
5
6
3
7
2
6
5
4
1
8
7
2
3
8
5
6
1
9
4
5
6
8
9
4
1
2
3
7
1
9
3
7
2
8
5
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Estimated difficulty: 1 (<8: low, >45: high)