idnr: 3891
16
3
11
10
16
20
24
29
24
13
24
9
16
16
16
4
12
16
25
12
Difficulty: Medium
Legal numbers: 1-9
idnr: 3597
17
4
6
7
13
29
21
10
11
5
7
9
7
5
12
16
3
17
24
17
Difficulty: Very hard
Legal numbers: 1-9
idnr: 4326
16
17
3
16
35
7
16
30
11
24
7
14
6
4
12
16
4
3
31
10
Difficulty: Hard
Legal numbers: 1-9
idnr: 4427
4
28
29
3
29
14
6
16
17
37
18
11
30
12
4
7
3
7
18
17
17
35
9
23
Difficulty: Super hard
Legal numbers: 1-9