D7b-
Notation
Nautilus 1LLL
LL Diamonds / D7
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 R' L' U' R' L R L' U R' L R' L'
My choice
14 HTM · 14 STM · 14 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: R L R L' R U' L R' L' R U L R L' R R. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".