D1t
Notation
Nautilus 1LLL
LL Diamonds / D1
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' Lw' L' R' L' R Lw L B L B'
My choice
11 HTM · 11 STM · 11 QTM
3-gen
rotationless
<R,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 B L' B' L' Lw' R' L R L Lw R R. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".