D5b+
Notation
Nautilus 1LLL
LL Diamonds / D5
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:
L R F R' Lw' B L' B' Lw R L F' R' L'
My choice
14 HTM · 14 STM · 14 QTM
rotationless
<R,F,L,B>
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: R L R F L' R' Lw' B L B' Lw R F' R' L' R'. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".