idnr: 4549
7
30
9
23
20
17
14
Difficulty: Medium
Legal numbers: 1-9
idnr: 806
15
10
3
13
7
19
9
Difficulty: Hard
Legal numbers: 1-9
idnr: 1669
6
15
6
19
19
12
3
Difficulty: Hard
Legal numbers: 1-9
idnr: 2595
23
10
7
6
12
14
6
Difficulty: Hard
Legal numbers: 1-9