QO

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

Algorithms (3)

3L U 3L 2D' 3L' U' 3L 2D 3L2
My choice
16 HTM · 9 STM · 18 QTM
3-gen
rotationless
<U,D,L>
One hand: needs L, B, S or E
BLDDB, on 2 solvers' sheets
R2 3L U 3L' 2U' 3L U' 3L' 2U R2
16 HTM · 10 STM · 18 QTM
3-gen
rotationless
<U,R,L>
One hand: needs L, B, S or E
BLDDB, on 1 solver's sheet
3L R 2F R' 3B' R 2F' R' 3B 3L'
16 HTM · 10 STM · 16 QTM
rotationless
<R,F,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: R2 2U' 3L U 3L' 2U 3L U' 3L' R2. Every algorithm above was run by our logic engine from that state and reaches "solved".