Here is a classic dating back to 1512! I will not give you its formal name yet, so let's just call it
There are 4 knights on a 3×3 chessboard: two white knights at the lower corners and two black knights at the upper corners.
What is the minimum number of moves for the white knights to wind up at the upper corners and the black knights to wind up at the lower corners?
The spectacle is not a collection of images, but a social relation among people, mediated by images. - Guy Debord