My initial instinct was She would go with the highest number, but then I thought She would expect that so I guessed four. Of course She was one step ahead of me & predicted my reasoning. So it was five.

12 10

39 42

41 40

25 40

34 41

44 42

28 40

31 41

41 42

25 40

27 20

14 20

6 10

21 10

17 10