India, Oct. 19 -- Optical illusion enthusiasts are always looking for new challenges, and one such difficult challenge is going viral on Reddit. One user on the subreddit r/FindTheSniper posted what looked like a serene bowl of pearly beads, until you read the caption: "A donut bead fell into my pear beads. help me find it."

The photo shows dozens of translucent round beads glowing under a white ring light, each one catching rainbow reflections. Somewhere in that iridescent mess, there's one small round "donut bead," but spotting it feels impossible.

People stared so long they began questioning reality. Comments flooded in with guesses, coordinates, and some desperate humor. "Taking this photo with a ring light is diabolical," one user ...