idnr: 745
9
2
1
9
9
4
8
6
3
1
1
5
2
4
Difficulty: Very easy (0)
idnr: 531
5
7
4
3
8
9
5
3
8
3
6
9
Difficulty: Very hard (0)
idnr: 148
4
1
4
3
1
2
7
4
4
6
5
3
8
7
3
5
Difficulty: Harder (0)
idnr: 374
9
5
2
5
7
4
6
9
5
3
8
2
6
2
5
6
Difficulty: Very easy (0)