A new optical illusion is baffling people online, with only a few managing to find the hidden number. The picture, shared on Twitter, features a number partially concealed inside a circle filled with black and gray lines.

The tweet challenges viewers with the question, “Do you see a number? If so, what number?”

Most people struggle to identify the number hidden within the lines. If you find it, leave a comment saying, “I found it!” and share the number you see.

Have you managed to spot the number inside the circle? If so, what is it? Join the discussion and see if you’re among the 5% who can figure it out!

Watch the video below for the right answer:

Did you get the right answer? Please share your thoughts in the comments down below!