New Delhi, July 10 -- A new optical illusion challenge is circulating that is causing people to pause and gaze, quite literally! The challenge is straightforward yet challenging: can you spot the number 9 concealed among numerous 8s in only 15 seconds? The puzzle features an 8-by-8 grid where the 9s are hidden. From a distance, these are very nearly identical, and therein lie both the charm and the frustration of this puzzle.

This brain teaser is beyond simply being a pastime. It truly enhances your concentration and conditions your mind to observe minor details. As the numbers 8 and 9 have a similar shape, it requires a keen eye to distinguish between them.

The easiest method to crack this puzzle? Examine every row attentively rather t...