People have been scratching their heads trying to figure out this latest brain teaser.
Optical illusions and brain teasers are known to work wonders for our cognitive function by improving the brain's ability to perceive and interpret visual information, and while you might struggle with them at first, the more you practise, the better and quicker you'll be.
So, if you're looking for something to test your IQ, why not try your hand at this new challenge? All you have to do is find the number hidden among the rows and rows of Bs.
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You might think this puzzle, created by the contact lens specialists at Lenstore and reported by the Mirror, is easy - after all, it should be simple to find a number among a sea of letters since they're two very different things, right?
But the more you look at the teaser, the more confused you might find yourself, as the number you're looking for seems to blend in perfectly with the Bs. We promise it's there, you just have to look harder!
We'll give you a hint if you're struggling - the number you're looking for is toward the right-hand side of the image.
We won't tell you what number it is that you're supposed to find, but have a think about what digits might be easiest to conceal among rows of Bs.
According to Lenstore, you need to find the number within 36 seconds if you want to tell people you've got "eagle eyes", so if you haven't found it yet - hurry up!
We're about to give you the answer, so if you don't want to know just yet, don't scroll any further.
Did you manage to find it within the time limit?
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