NQ

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

Algorithms (3)

S' 2R' U2 2R 2U 2R' U2 2R 2U' S
My choice
18 HTM · 10 STM · 20 QTM
3-gen
rotationless
<U,R,S>
One hand: needs L, B, S or E
BLDDB, on 5 solvers' sheets
y F' 2L' U2 2L 2U 2L' U2 2L 2U' F y'
16 HTM · 10 STM · 18 QTM
3-gen
rotation
<U,F,L>
One hand: needs L, B, S or E
BLDDB, on 1 solver's sheet
R' 2U 2L' U' 2L 2U 2L' U 2L 2U2 R
18 HTM · 11 STM · 20 QTM
3-gen
rotationless
<U,R,L>
One hand: needs L, B, S or E
BLDDB, on 1 solver's sheet

How this case is verified

The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: y F' 2U 2L' U2 2L 2U' 2L' U2 2L F y'. Every algorithm above was run by our logic engine from that state and reaches "solved".