XV

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

Algorithms (3)

Lw B D' 2L' D 2R2 D' 2L D 2R2 B' Lw'
My choice
16 HTM · 12 STM · 20 QTM
rotationless
<R,D,L,B>
One hand: needs L, B, S or E
Cubemuch
Lw' F D' 2L D 2R2 D' 2L' D 2R2 F' Lw
16 HTM · 12 STM · 20 QTM
rotationless
<R,F,D,L>
One hand: needs L, B, S or E
Cubemuch
Rw D F' 2L' F 2R2 F' 2L F 2R2 D' Rw'
16 HTM · 12 STM · 20 QTM
rotationless
<R,F,D,L>
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: Lw' F 2R2 D' 2L D 2R2 D' 2L' D F' Lw. Every algorithm above was run by our logic engine from that state and reaches "solved".