Instructors can:
Learners can:

7 2 9 3 6 8 4 1

11 10 15 19 16 12 13 14 17

27 20 29 25 28 23 21 24 30

30 23 32 27 36 26 22 26 29

7 2 9 3 6 8 1 5 4

11 10 15 19 16 12 14 18 13

27 20 29 25 28 23 22 24 26

30 23 32 27 36 26 32 21 20