OP

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

Algorithms (3)

D' 3L D R' D' 3L' D R
My choice
10 HTM · 8 STM · 10 QTM
3-gen
rotationless
<R,D,L>
One hand: needs L, B, S or E
BLDDB, on 10 solvers' sheets
U R2 U' 3L' U R' U' 3L U R' U'
13 HTM · 11 STM · 14 QTM
3-gen
rotationless
<U,R,L>
One hand: needs L, B, S or E
BLDDB, on 1 solver's sheet
y' R' U' 3L U R U' 3L' U y
10 HTM · 8 STM · 10 QTM
3-gen
rotation
<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: U R U' 3L' U R U' 3L U R2 U'. Every algorithm above was run by our logic engine from that state and reaches "solved".