New Delhi, July 10 -- Is your eyesight as sharp as an eagle's? Let's put your observation skills to the ultimate test with this viral optical illusion challenge. Somewhere in the grid full of 119s lies a sneaky little 116 and you have just 7 seconds to find it. At first glance, the image looks like a boring matrix of repeated numbers. Rows upon rows of 119, that are neatly arranged to confuse your mind. But not everything is as it seems.

FYI, our brain is wired to recognise patterns, which is why spotting the odd one out amidst the repetition of letters or numbers is a difficult task. The moment you begin to scan through the puzzle, your eyes may betray you.

The illusion is not just a test of your vision; it's a test of focus. Here's a ...