Seating

you can feel it before you can say it.

seat five so nobody ends up next to someone they cannot stand

Two of the three temperaments get along with almost anyone; only one clashes with everything except its own kind. So the puzzle is not about keeping different types apart from each other — it is about finding the one type that cannot stand company and giving it a corner to itself.

Concepts: constraints, preference.

An interactive you play with one thumb, on Wundr.