If u see it tilted towards the bottom, try to look at it from bottom to up, and if u see it bottom to up try to see from the top to bottom (idk if that makes sense but thats how i find i can see them, tho ur brain quickly adjusts to the “default” whichever u saw at first), also blink…
Monke brane and senses, well adapted to survive in the savannas of Africa, encounters math and gets baffled.
EDIT: Visualize the apes at the beginning of 2001: A Space Odyssey, scared but touching the monolith. Now imagine that the monolith is the square root of minus one.