The answer is: Symbol 2, 1 and 3 starting with the bar used in the example.  If you adjust everything correctly, you will be able to extract two keys, as shown: Pull the key up Pull the key out 3. Pull the key out

As initially the slider is not moving, the only thing you can do is moving slider 4 to the left

On the key taken from the previous step you will find a buoy image

The next step is to shift slider 1 and 3 to the left Now that you have brought all the sliders in the locked position – your vertical slider is moving freely.

same buoy image can be found on the bottom of Nautilus Cluebox.

Now you need to find the right order for bringing the horizontal sliders into an unlocked position. The principle is the following: when you unlock the first horizontal slider – the vertical slider should still be able to move freely in 3 positions. When you unlock the second horizontal slider – the vertical slider should

Rotate the wheel to the left, as indicated by the buoy icon, AND look at the symbols that can be seen in the middle of the “octopus”

Here is the right sequence: Slider 2,3,1,4 as shown. Now you can release the last key!

Listen to the “clicks” (see the video below).

To open the box make sure that all the “petals” on the front side of the box are released from their slots: Release the capsule!

The symbols you see while rotating the wheel can also be found on the wheels near the ray fish. Here is the combination of symbols and numbers which you need:

The ribs of the capsule have different forms. Check those which are moving