DL

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

Algorithms (3)

2R 2D2 2R' U2 2R 2D2 2R' U2
My choice
14 HTM · 8 STM · 20 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 9 solvers' sheets
U 2F 2D 2F' U2 2F 2D' 2F' U
15 HTM · 9 STM · 16 QTM
3-gen
rotationless
<U,F,D>
One hand: R, U and M with F and D
Cubemuch
U' 2B 2D' 2B' U2 2B 2D 2B' U'
15 HTM · 9 STM · 16 QTM
3-gen
rotationless
<U,D,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: U' 2F 2D 2F' U2 2F 2D' 2F' U'. Every algorithm above was run by our logic engine from that state and reaches "solved".