Open Vault Challenge - Level 3
Enter the code for level 3 above or at this link. Three demonstration videos are provided below ([1], [2], [3]). Good luck!
Reveal the clues below only as a last resort.
Clue No. 2
There is nine buttons instead of two. As for previous level, one button can mean either yellow or grey.
Clue No. 3
You decide the buttons' color. Feel your power!
Take home message
The meaning of the buttons is not pre-defined. The user gets to decide it.