D16b+
Notation
Nautilus 1LLL
LL Diamonds / D16
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:
R L F' R L' U' L R L' R' U L R' F L'
My choice
15 HTM · 15 STM · 15 QTM
rotationless
<U,R,F,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: R' L F' R L' U' R L R' L' U L R' F L' R' R'. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".