New Delhi, Aug. 25 -- Optical illusions have captivated people online, giving them challenges in a way that's exhilarating. If you consider yourself detail-oriented, here's an optical illusion challenge for you to try! In today's viral game, people are required to find out the odd number, which is hidden in plain sight. The optical illusion has left many scratching their heads as they try to find the elusive number.

The players have to spot the odd number '1222' out of a sea of '1212'. The real challenge here is that there are two ' 1222' in this image and you only have 10 seconds to spot them.

At first glance, the image looks like an endless pattern of 1212 in neat rows and columns. The similarity of digits makes it difficult for your ...