Linear seating: Rows facing North and South
medium
1 of 5 Lessons
Parallel rows: Persons facing each other with variables
medium
2 of 5 Lessons
Seating arrangement with uncertain number of persons
medium
3 of 5 Lessons
Seating with two variables: Person and Preferred color
medium
4 of 5 Lessons
Logical grouping in a single row based on professions
medium
5 of 5 Lessons