D4o-

Notation
Nautilus 1LLL
LL Diamonds / D4
Match the case drawing, including the side colours and the pieces already solved; hold the puzzle as drawn.
Your status
Recognition & spaced review

Algorithms (1)

L' U' L R L R' L U L' R L'
My choice
11 HTM · 11 STM · 11 QTM
3-gen
rotationless
<U,R,L>
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: L R' L U' L' R L' R' L' U L R. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".