OM15
Notation
Last bottom triple
LBT / One middle
Match the case drawing, including the side colours and the pieces already solved; hold the puzzle as drawn.
Your status
Algorithms (1)
(R') first, then:
Ro' BR U B BR' U' BR U B' BR' U' Ro
My choice
10 HTM · 10 STM · 10 QTM
3-gen
rotation
<BR,U,B>
Do R' first on the case as drawn. · Cubemuch
How this case is verified
The source's tracked-sticker identities define this case; its setup is reconstructed and checked against them. Setup: Ro Ro' U BR B U' BR' U BR B' U' BR' Ro R. Every algorithm above was run by our logic engine from that state and reaches "lbt-solved".