D15o-
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 (2)
(R) first, then:
R' F R F R L' U L R' F' L' U L
My choice
13 HTM · 13 STM · 13 QTM
rotationless
<U,R,F,L>
Do R first on the case as drawn. · Cubemuch
(R) first, then:
R' L R F R L' B' R B R L F' R' L'
14 HTM · 14 STM · 14 QTM
rotationless
<R,F,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: L R F L' R' B' R' B L R' F' R' L' R R'. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".