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