Qn: Employees rank Teams and teams rank employees, find the best matches

Emp1 : [Team2, Team1, Team3] (preferences in order)
Emp2 : [Team1, Team3, Team2]
.
.
.
Team1 : [Emp3, Emp2, Emp1] (preferences in order)
Team2 : [Emp2, Emp1, Emp3]
.
.
How to match teams with employees based on this information?