IS9
Notation
Last bottom triple
LBT / In Slot
Match the case drawing, including the side colours and the pieces already solved; hold the puzzle as drawn.
Your status
Algorithms (2)
(R R) first, then:
BR U' BR U R' F' U F U' R BR
My choice
11 HTM · 11 STM · 11 QTM
rotationless
<BR,U,R,F>
Do R R first on the case as drawn. · Cubemuch
(R R) first, then:
R' BR' U' BR' U R' U' BR U BR' R BR'
12 HTM · 12 STM · 12 QTM
3-gen
rotationless
<BR,U,R>
Do R 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 BR R' BR U' BR' U R U' BR U BR R R' R'. Every algorithm above was run by our logic engine from that state and reaches "lbt-solved".