You hvae 24 hours. If you can impregnate all four of them, they're yours to keep. Can you do it? Where do you start?

11 31

52 35

18 30

19 31

17 31

16 33

6 0

9 0

32 34

3 0

34 35

22 31

11 30

2 0

3 0

14 10