idnr: 3039
6 5 2
4
3
3 5 1
6 7
1
4 7 2
Difficulty: Medium
idnr: 3949
1 6 9
8 2 5
6
3 4 7
1 8 2
4 9
3 7 5
Difficulty: Medium
idnr: 788
1 8
3 8 5 7
2 6 4
5
3
6 4 7
2 1
Difficulty: Easy
idnr: 4648
5 6 2
7 1 5
6
4
3 4
7 2
3 1
Difficulty: Medium