23 inner length 14.5cm

24 inner length 15cm

25 inner length 15.5cm

26 inner length 16cm

27 inner length 16.6cm

28 inner length 17.2cm

29 inner length 17.9cm

30 inner length 18.5cm

31 inner length 19.1cm

32 inner length 19.6cm

33 inner length 20.2cm

34 inner length 20.9cm

35 inner length 21.6cm