Grouping Optimization Based on Social Relationships

Table 2

A mutual choice table.

Member	Preference list	Mutual choice list
1	2, 7, 5, 4, 6	2, 6, 7
2	8, 3, 1, 7, 10	1, 7, 8, 10
3	2, 1, 9, 𝑚, 5	2, 𝑚
…	…	…
𝑚	3, 6, 7, 8, 9	3, 6