Information

Total Members: 20
Members per group: 10
Circulation times for covering: 3

Example of combinations

set	group 1	group 2
1	1, 2, 3, 4, 5, 6, 7, 8, 9, 10	11, 12, 13, 14, 15, 16, 17, 18, 19, 20
2	2, 3, 4, 5, 6, 11, 12, 13, 14, 20	1, 7, 8, 9, 10, 15, 16, 17, 18, 19
3	2, 3, 4, 5, 6, 15, 16, 17, 18, 19	1, 7, 8, 9, 10, 11, 12, 13, 14, 20

Frequency of combinations

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
1	-	1	1	1	1	1	3	3	3	3	1	1	1	1	1	1	1	1	1	1
2	-	-	3	3	3	3	1	1	1	1	1	1	1	1	1	1	1	1	1	1
3	-	-	-	3	3	3	1	1	1	1	1	1	1	1	1	1	1	1	1	1
4	-	-	-	-	3	3	1	1	1	1	1	1	1	1	1	1	1	1	1	1
5	-	-	-	-	-	3	1	1	1	1	1	1	1	1	1	1	1	1	1	1
6	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	1	1	1	1
7	-	-	-	-	-	-	-	3	3	3	1	1	1	1	1	1	1	1	1	1
8	-	-	-	-	-	-	-	-	3	3	1	1	1	1	1	1	1	1	1	1
9	-	-	-	-	-	-	-	-	-	3	1	1	1	1	1	1	1	1	1	1
10	-	-	-	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1
11	-	-	-	-	-	-	-	-	-	-	-	3	3	3	1	1	1	1	1	3
12	-	-	-	-	-	-	-	-	-	-	-	-	3	3	1	1	1	1	1	3
13	-	-	-	-	-	-	-	-	-	-	-	-	-	3	1	1	1	1	1	3
14	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	1	1	1	3
15	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	3	3	3	1
16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	3	3	1
17	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	3	1
18	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	1
19	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1
20	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Frequency of groups

Member	group 1	group 2
1	1	2
2	3	0
3	3	0
4	3	0
5	3	0
6	3	0
7	1	2
8	1	2
9	1	2
10	1	2
11	1	2
12	1	2
13	1	2
14	1	2
15	1	2
16	1	2
17	1	2
18	1	2
19	1	2
20	1	2

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