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 F' L' U' R' L R L' U R' L R F
My choice
13 HTM · 13 STM · 13 QTM
rotationless
<U,R,F,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: R F' R' L' R U' L R' L' R U L F R'. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".