idnr: 227388
6 3 2 4 5 3 9 6 7
2 4 6 9 4 6 7 5 8
4 1 8 1 3 9 3 4 1
6 8 6 5 5 4 3 7 1
3 6 7 2 8 8 1 9 4
8 7 5 8 7 2 4 6 4
3 2 4 8 5 3 5 1 8
1 7 9 5 4 8 6 2 5
4 6 1 6 7 7 1 3 7
Difficulty: Pretty easy
idnr: 45881
4 3 4 6 3 1 9 2 1
1 3 4 5 6 2 8 5 9
8 6 1 7 2 3 7 4 2
3 3 6 7 2 2 5 6 8
5 5 3 1 4 9 2 8 6
9 2 7 7 8 6 3 6 1
6 8 3 4 5 3 1 6 3
2 1 9 4 7 5 6 3 7
6 3 5 3 4 8 8 9 7
Difficulty: Easy
idnr: 21548
4 9 3 2 8 6 1 2 5
9 5 1 4 5 1 6 7 5
1 6 5 9 5 3 1 6 2
5 4 7 3 1 2 9 6 8
3 1 2 1 4 9 1 1 4
8 3 2 5 5 1 2 3 6
1 7 5 2 6 4 8 3 1
6 2 9 7 8 8 6 5 1
5 1 1 8 2 8 3 9 4
Difficulty: Pretty easy
idnr: 6525
7 4 9 6 7 8 4 1 2
9 1 4 7 4 2 3 3 5
5 2 1 9 4 4 3 3 6
8 6 4 2 8 5 4 9 6
6 5 8 7 2 6 1 7 4
3 6 4 1 5 7 5 3 8
6 8 3 5 3 4 6 4 7
8 7 5 1 1 6 9 1 2
3 4 2 8 9 5 7 5 4
Difficulty: Medium