idnr: 1679
4
23
10
7
13
16
18
9
Difficulty: Medium
Legal numbers: 1-9
idnr: 3572
4
6
5
23
10
3
12
9
Difficulty: Easy
Legal numbers: 1-9
idnr: 4477
16
11
30
21
16
3
13
10
Difficulty: Very hard
Legal numbers: 1-9
idnr: 2484
30
10
17
20
17
4
10
14
Difficulty: Very hard
Legal numbers: 1-9