An optical illusion is challenging viewers to find a hidden number within a repeating pattern. The image displays the number "4576" numerous times, but cleverly concealed within is the number "4567". Participants are tasked with locating the odd number out in under 8 seconds. The solution reveals the "4567" is located in the 7th row and 2nd column.source https://timesofindia.indiatimes.com/life-style/health-fitness/de-stress/optical-illusion-do-you-have-sharp-eyes-spot-the-hidden-number-in-this-picture/articleshow/123045205.cms