idnr: 9937
5 1 4 4 2 5
5 3 4 2 1 2
5 2 4 1 6 5
4 6 1 4 3 2
1 4 3 2 5 6
4 4 6 3 4 1
Difficulty: Pretty easy
idnr: 21870
4 6 2 3 2 5
4 5 3 5 6 1
1 2 5 4 4 2
5 1 1 4 2 3
3 2 4 1 5 1
6 5 3 2 3 4
Difficulty: Pretty easy
idnr: 21461
3 1 2 5 5 6
1 6 3 3 2 4
6 4 1 2 3 3
2 3 3 5 1 3
2 3 4 1 6 5
5 1 6 1 3 3
Difficulty: Hard
idnr: 28206
1 5 2 6 5 3
3 3 4 1 6 2
2 2 5 4 1 5
3 4 4 2 1 5
4 1 3 5 2 6
3 2 5 1 2 4
Difficulty: Pretty easy