Maybe that but i thought The Wall was easier to follow and that was a film that was considered to only make sense while you were high or drunk or maybe both.
1 and 2 iterations are easy-peasy compared to 3 D: Wanna do a 4 iteration? It'll be big... 81x81x81 big. You do realise a 4 iteration would hit the skybox. Not if you build both down and up.