Information

Total Members: 15
Members per group: 3
Circulation times for covering: 7

Example of combinations

setgroup 1group 2group 3group 4group 5
11, 2, 34, 5, 67, 8, 910, 11, 1213, 14, 15
28, 11, 149, 12, 152, 5, 103, 6, 131, 4, 7
32, 4, 157, 10, 133, 8, 121, 5, 146, 9, 11
41, 9, 133, 4, 116, 10, 142, 7, 125, 8, 15
56, 7, 151, 8, 102, 11, 133, 5, 94, 12, 14
65, 7, 112, 9, 141, 6, 124, 8, 133, 10, 15
74, 9, 105, 12, 133, 7, 141, 11, 152, 6, 8

Frequency of combinations

123456789101112131415
1-11111111111111
2--1111111111111
3---111111111111
4----11111111111
5-----1111111111
6------111111111
7-------11111111
8--------1111111
9---------111111
10----------11111
11-----------1111
12------------111
13-------------11
14--------------1
15---------------

Frequency of groups

Membergroup 1group 2group 3group 4group 5
121121
221211
311221
422012
512121
611212
721211
811212
922111
1012211
1121121
1202221
1312121
1411212
1521013

Links

Original link :
(Japanese: https://slpr.sakura.ne.jp/sikinote/)
(English: https://slpr.sakura.ne.jp/sikinote/en/)
References: https://ljcr.dmgordon.org/cover/table.html
http://www.mathpuzzle.com/MAA/54-Golf%20Tournaments/mathgames_08_14_07.html