1 2 and 3
2 3 and 6
3 7 and 14
4 10 and 15
5 10 and 16
6 8 and 20
7 12 and 15
8 15 and 20
9 18 and 22
10 9 and 12
11 20 and 24
12 50 and 75
13 34 and 51
14 45 and 90
15 35 and 60
16 13 and 26
17 36 and 90
18 25 and 30
19 100 and 400
20 500 and 2,000
21 3, 6 and 9
22 7, 21 and 42
23 12, 24 and 36
24 24, 72 and 36
25 25, 30 and 50
26 42, 14 and 21
27 32, 48 and 60
28 23, 46 and 115
29 64, 128 and 256
30 56, 80 and 140
31 75, 100 and 200
32 14, 21 and 35
33 24, 36 and 60
34 41, 82 and 123
35 54, 72 and 90
36 12, 18, 30 and 40
37 25, 35, 50 and 100
38 14, 21, 35 and 70
39 21, 35, 14 and 56
40 32, 48, 24 and 60
