idnr: 819
3
56
57
6
20
23
19
73
21
11
38
21
38
40
57
41
56
56
54
22
4
39
20
36
23
Difficulty: Easy
Legal numbers: 1-20
idnr: 945
39
10
57
4
3
42
38
63
23
20
39
22
11
21
7
39
4
38
5
40
39
63
29
Difficulty: Medium
Legal numbers: 1-20
idnr: 90
7
39
23
57
3
41
73
73
21
36
17
7
38
4
20
19
7
22
26
4
7
4
Difficulty: Easy
Legal numbers: 1-20
idnr: 740
3
56
19
74
21
56
6
44
19
37
22
74
7
60
56
61
6
24
27
4
21
26
3
Difficulty: Very hard
Legal numbers: 1-20