D15r+
Notation
Nautilus 1LLL
LL Diamonds / D15
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 L' R' L F' R' L'
My choice
10 HTM · 10 STM · 10 QTM
3-gen
rotationless
<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 R F L' R L R' F' R' L' R. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".