idnr: 16659
2 3 9 1 6 4 7 8 6
5 6 1 6 6 1 3 7 9
6 4 6 9 3 5 2 8 1
4 9 3 2 5 1 6 7 8
8 7 1 4 6 6 8 9 4
9 5 2 7 7 1 8 1 3
7 2 8 3 1 9 5 7 4
8 8 6 5 7 3 6 2 1
8 1 6 4 9 2 4 3 5
Difficulty: Pretty easy
idnr: 64342
2 8 3 4 1 9 1 1 5
3 1 2 6 3 3 8 4 6
7 5 5 2 9 3 2 6 6
6 4 7 1 5 1 3 8 2
2 6 4 8 2 2 6 3 1
3 3 6 7 4 6 2 9 1
4 2 5 3 1 8 9 7 6
2 9 6 7 1 4 1 2 3
8 3 9 6 2 7 6 5 5
Difficulty: Easy
idnr: 77821
4 2 1 6 7 5 4 9 3
6 7 3 2 4 1 3 3 2
2 3 3 8 9 7 6 7 5
3 4 7 5 8 9 8 2 3
1 5 6 2 3 1 1 7 7
1 4 5 3 7 2 4 4 8
4 3 9 8 6 6 5 2 1
7 1 2 7 5 1 2 6 9
5 9 2 1 7 8 7 3 4
Difficulty: Pretty easy
idnr: 167150
6 3 7 5 1 1 2 8 5
4 8 2 9 3 8 1 7 5
8 7 6 2 4 6 2 5 2
4 2 7 6 7 3 8 9 1
3 6 5 8 9 8 7 7 6
1 5 3 3 2 7 2 4 9
3 9 1 2 8 6 5 3 3
9 1 3 7 6 5 7 2 8
1 8 7 4 7 1 2 6 4
Difficulty: Medium