idnr: 7896
3
1
6
5
4
6
7
1
2
7
4
2
5
3
Difficulty: Medium
idnr: 880
10
4
4
7
10
8
1
6
5
9
8
2
5
3
6
7
2
1
3
9
Difficulty: Medium
idnr: 2961
3
4
7
8
4
5
2
6
5
3
1
8
2
1
6
7
Difficulty: Medium
idnr: 5257
7
5
3
4
6
1
6
7
1
5
3
2
2
4
Difficulty: Medium