idnr: 7392
3 5 4 7
1 3
5 2
6 2
4
6
7
1
Difficulty: Medium
idnr: 5466
8 3 5 9
6 2
2 1 6 9
7
8 5
4
4 1 3
7
Difficulty: Easy
idnr: 6623
5 6 1 3
9
2 8 5 6
3
7
9 4
2 1 7
4 8
Difficulty: Medium
idnr: 738
2 9
6
4 7 9
6 8
8 3
5 2 4
1 3 5
1 7
Difficulty: Medium