T0t+
Notation
Nautilus 1LLL
LL Trapezoids / T0
Match the case drawing, including the side colours and the pieces already solved; hold the puzzle as drawn.
Your status
Algorithms (1)
(R) first, then:
Lw' U R' U' Lw R Lw' U R' U' Lw
My choice
11 HTM · 11 STM · 11 QTM
3-gen
rotationless
<U,R,L>
Do R first on the case as drawn. · Cubemuch
How this case is verified
The source's case image defines this case; its setup is reconstructed and checked against that independent pattern. Setup: Lw' U R U' Lw R' Lw' U R U' Lw R'. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".