20:48

unit 3 first year

27:32

third year unit 4 part 2

30:55

unit two (part 1)second year

25:07

unit 4 third year part one

21:05

unit 6 first year

18:39

first year unit 4 (part 2)

24:05

second year unit 4

24:23

unit 4 (part one) first year