So, Winnie, my guess is no buttermilk on the 2nd, because it doesn't have a blue band.
On the first I would have thought not a buttermilk because it doesn't have an obvious 2nd red band.
But that's based on my thoughts about the meaning of the red/blue band in the tri-lite article.
Edit: ah, Dave was posting while I was! I'll let my guesses stand. And wait with bated breath for a Vitro person to tell me how close I am!