idnr: 9611
3 2 2
1
1 2 4
3 2 1
2 5 5 6
1 3 2 3
Difficulty: Very easy
idnr: 12968
2 4 2
2 2
1
2 5 3
2 1
1 4 3
2 3 1
Difficulty: Hard
idnr: 8722
2 2 1
3 3 2
2 1
3 2
2 6 4
1
3 5 2
Difficulty: Medium
idnr: 2872
2 4 1
1 4 3
2
2 4 6 4
1
1 1
1 3 2
Difficulty: Easy