New Delhi, Sept. 22 -- Optical illusions are keeping social media users busy once again. A new brain teaser, shared widely on the internet, is asking people to spot the hidden number 96 in a confusing grid filled with rows of 69. At first glance, the numbers look nearly identical, and the puzzle seems impossible, but the trick is in the details.

The image shows dozens of "69" written closely together, creating a dizzy effect for the eyes. Somewhere inside the pattern, a single "96" has been placed, waiting to be found. Many users admitted they spent minutes staring without success, while others claimed they spotted it instantly.

This type of puzzle is popular online because it tests more than eyesight. The game challenges how quickly a ...