C3t-

Notation
Nautilus 1LLL
LL Cat Chameleons / C3
Match the case drawing, including the side colours and the pieces already solved; hold the puzzle as drawn.
Your status
Recognition & spaced review

Algorithms (2)

(R') first, then:
R F R L' U R' B' R B U' L R' F'
My choice
13 HTM · 13 STM · 13 QTM
rotationless
<U,R,F,L,B>
Do R' first on the case as drawn. · Cubemuch
(R') first, then:
R F L' B' R' B L R' F L' R' L R F' R' F'
16 HTM · 16 STM · 16 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: F R F R' L' R L F' R L' B' R B L F' R' R. Every algorithm above was run by our logic engine from that state and reaches "solved-up-to-r".