The committee would like to assign three reviewers to each applicant. A partial solution to this problem is shown below, where the number 1 indicates when a reviewer is assigned to an applicant. Assign reviewers to Applicant B and Applicant C

Applicant
Reviewer A B C
1 X
2 X
3 1 X
4 1
5 X
6 X
7 X
8 X
9 1 X

Answer: Multiple optimal solutions

Applicant
Reviewer A B C
1 0 0 1
2 0 1 0
3 1 0 0
4 1 0 0
5 0 1 0
6 0 0 1
7 0 0 1
8 0 1 0
9 1 0 0
Assigned 3 3 3

Applicant
Reviewer A B C
1 1 0 0
2 0 1 0
3 1 0 0
4 0 0 1
5 0 1 0
6 1 0 0
7 0 0 1
8 0 1 0
9 0 0 1
Assigned 3 3 3