idnr: 613
14
5
8
10
12
23
16
4
7
9
7
6
4
12
18
15
Difficulty: Super hard
Legal numbers: 1-9
idnr: 251
13
10
14
15
17
15
12
11
6
4
14
6
17
12
14
12
Difficulty: Very hard
Legal numbers: 1-9
idnr: 1215
6
11
11
16
26
11
13
3
10
9
8
17
11
9
25
16
Difficulty: Hard
Legal numbers: 1-9
idnr: 2023
16
3
6
10
30
11
21
23
9
11
12
17
10
4
27
10
Difficulty: Medium
Legal numbers: 1-9