XE

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

Algorithms (3)

2B' L F' L' 2B L F L'
My choice
10 HTM · 8 STM · 10 QTM
3-gen
rotationless
<F,L,B>
One hand: needs L, B, S or E
BLDDB, on 16 solvers' sheets
2R U 2R D' 2R' U' 2R D 2R2
14 HTM · 9 STM · 16 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 4 solvers' sheets
Rw U 2R D' 2R' U' 2R D 2R' Rw'
14 HTM · 10 STM · 14 QTM
3-gen
rotationless
<U,R,D>
One hand: R, U and M with F or D
BLDDB, on 4 solvers' sheets

How this case is verified

The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: 2R2 D' 2R' U 2R D 2R' U' 2R'. Every algorithm above was run by our logic engine from that state and reaches "solved".