A friend and I were trying to figure out whose cock was bigger, the one who loses must send a nude to a random friend. So tell me which one is bigger.

15 31

25 33

8 30

47 34

18 31

8 31

9 1

26 33

8 10

1 0

4 10

12 31

17 30

13 31

13 10

30 32