IS19
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)
(Rw') first, then:
U BL U' R U' BL' U Rw
My choice
8 HTM · 8 STM · 8 QTM
3-gen
rotationless
<BL,U,R>
Do Rw' first on the case as drawn. · Cubemuch
(Rw') first, then:
BR' R' BR U' BR' U R U' BR U Rw
11 HTM · 11 STM · 11 QTM
3-gen
rotationless
<BR,U,R>
Do Rw' 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 Rw' U' BR' U R' U' BR U BR' R BR Rw. Every algorithm above was run by our logic engine from that state and reaches "lbt-solved".