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 (2)
(R) first, then:
R' U' R' U R' L F L' R L F' L'
My choice
12 HTM · 12 STM · 12 QTM
rotationless
<U,R,F,L>
Do R first on the case as drawn. · Cubemuch
(R) first, then:
R B R L R' F R L' R' L F' L' B'
13 HTM · 13 STM · 13 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: R' B L F L' R L R' F' R L' R' B' R' R'. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".