IO

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

Algorithms (3)

2L' U' 2L' 2D 2L U 2L' 2D' 2L2
My choice
16 HTM · 9 STM · 18 QTM
3-gen
rotationless
<U,D,L>
One hand: needs L, B, S or E
BLDDB, on 4 solvers' sheets
R2 2L' U' 2L 2U 2L' U 2L 2U' R2
16 HTM · 10 STM · 18 QTM
3-gen
rotationless
<U,R,L>
One hand: needs L, B, S or E
BLDDB, on 3 solvers' sheets
U Lw' 2R' 2D' 2R U2 2R' 2D 2R U2 Lw U'
18 HTM · 12 STM · 20 QTM
rotationless
<U,R,D,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: R2 2U 2L' U' 2L 2U' 2L' U 2L R2. Every algorithm above was run by our logic engine from that state and reaches "solved".