T3r-
Notation
Nautilus 1LLL
LL Trapezoids / T3
Match the case drawing, including the side colours and the pieces already solved; hold the puzzle as drawn.
Your status
Algorithms (1)
Lw F' B L' B' Lw R L R' Lw' F Lw'
My choice
12 HTM · 12 STM · 12 QTM
rotationless
<R,F,L,B>
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 F' Lw R L' R' Lw' B L B' F Lw'. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".