24-25 yards [inside length 16 feet length 15cm]]

26-27 yards [inside length 17 feet length 16cm]]

28-29 yards [inside length 18 feet length 17cm]]

30-31 yards [inside length 19 feet length 18cm]]

32-33 yards [inner length 20 foot length 19cm]]

34-35 yards [inner length 21 foot length 20cm]]

36-37 yards [inner length 22 foot length 21cm]]

38-39 yards [inner length 23 foot length 22cm]]

40-41 yards [24 feet in length 23cm]]