AT4
Notation
Last bottom triple
LBT / All top
Match the case drawing, including the side colours and the pieces already solved; hold the puzzle as drawn.
Your status
Algorithms (2)
(R') first, then:
U BR R BR U' BR' U R' BR' U'
My choice
10 HTM · 10 STM · 10 QTM
3-gen
rotationless
<BR,U,R>
Do R' first on the case as drawn. · Cubemuch
(R') first, then:
Ro' U' BR U B U BR' U' BR B' BR' Ro
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' BR B BR' U BR U' B' U' BR' U Ro R. Every algorithm above was run by our logic engine from that state and reaches "lbt-solved".