idnr: 19
8
9
6
7
8
3
5
9
1
4
9
4
3
8
Difficulty: Very hard (0)
idnr: 913
5
9
8
3
8
7
4
5
3
4
9
6
9
3
6
7
6
4
3
7
Difficulty: Very easy (0)
idnr: 13
5
4
8
8
1
7
7
6
9
1
7
3
Difficulty: Easy (0)
idnr: 776
4
5
6
1
3
8
7
6
3
2
8
7
Difficulty: Very easy (0)