idnr: 4011
6 8 4
3 1
8
5 7 1
6
2 4
2
5 7 3
Difficulty: Medium
idnr: 2248
2 7 8 6 9
1 2
6
5 8 9
4 1 3
7 5
3 4
Difficulty: Medium
idnr: 726
5 2 8
4 7
2 8
6
5 1
3
3 4
1 7 6
Difficulty: Medium
idnr: 6197
1 5 2
8
6 1
7 4 5
4 6
7
3 8 3
2
Difficulty: Medium