export and import *Element 32 base encoded

[thekm1]

My goal is to export an Element 32 base encoded and import it again.
I use fmt.SprintF("%32v",elm) for exporting this works fine. I will get the Element in String representation with characters between (a-v,0-9)
But if i try to Set the Element from that string with base 32. It does not work as I expect.

In the following code i expect the variable recreatedElm to be same as the variable elm. Why is this not so ? Am i understanding something wrong? Or is there a bug?

var pairing *pbc.Pairing
// ...populate pairing...
elm := pairing.NewZr().Rand()
elmString := fmt.Sprintf("%32v", elm)
recreatedElm := pairing.NewZr().SetString(elmString, 32)