QT

Centres
Q first
From memo: the letter pair is the case.
Your status
Recognition & spaced review

Algorithms (3)

B' U' 2L U 2R' U' 2L' U 2R B
My choice
14 HTM · 10 STM · 14 QTM
rotationless
<U,R,L,B>
One hand: needs L, B, S or E
Cubemuch
2U' 2B 2U B 2U' 2B' 2U B'
14 HTM · 8 STM · 14 QTM
2-gen
rotationless
<U,B>
One hand: needs L, B, S or E
Cubemuch
B' Uw' 2L Uw 2R' Uw' 2L' Uw 2R B
14 HTM · 10 STM · 14 QTM
rotationless
<U,R,L,B>
One hand: needs L, B, S or E
Cubemuch

How this case is verified

The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: B 2U' 2B 2U B' 2U' 2B' 2U. Every algorithm above was run by our logic engine from that state and reaches "solved".