Is there a guide to let us know the items we pick on the road in Act 7.2

GAMEOVERJames

I just completed two paths in Act7.2 and I picked the paths with 6*boxes which contains T5B fragments....

I want to find a path with T2A fragments, what Star of the box I should choose?

Des99

3* Chest: Half of a T2A (18,000)
4* Chest: A whole T2A (36,000)