D12r
Notation
Nautilus 1LLL
LL Diamonds / D12
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 L F L' R' L F' L' R U' R U
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 L F L' R L R' F' R L' R' 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 R L R' F R L' R' L F' L' B' R' R'. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".