idnr: 6336
4
3 1 9 7
8 6
8 7
2 5
2
4 1 5
3 6 9
Difficulty: Medium
idnr: 7970
2 3 4
8 9
9 6
7 1
6 5
7 8
1
2 3 4
5
Difficulty: Medium
idnr: 2578
6 3
1 6 7
4
5 8
3
1 4 2
5 7
8 2
Difficulty: Medium
idnr: 7228
6 9 10 4
7
1 8 5
6 7 8
2
3
2 10 5
3 1 4
9
Difficulty: Easy