The optical illusion below has the dog’s master hidden somewhere within the pup’s frame.

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The dog is within plain sight in the image.

But if you can find the dog’s master within 15 seconds, you have quite a keen eye.

Both the dog and his master appear solemn.

Others might say they look angry.

The master appears ghostly or skeleton-like in his facial features.

He appears to be wearing a floppy-looking hat.

But not everyone can easily find the master.

Some people find the number three instead.

Others saw the number 1 at the bottom of the master’s floppy hat.

Try your luck, and then keep reading to see if you succeeded.

If you looked at the dog’s ear and saw the master’s hat, you got it right.

Those with a very keen eye will notice that both the pup and master are turned to the side, so only their profiles appear.

A similar optical illusion also had viewers putting their eyesight to the test.

A circus act was hidden within the face of a creepy clown.

Only by staring the clown dead in the eyes can the smartest viewers discover the illusion.

Fans of optical illusions can also test their brain power on several holiday-themed brainteasers.

One image has a sea of Christmas trees.

But only one of the many trees is sporting a star at the top.

Another picture has dozens of snowflakes.

But hidden somewhere in the image is a tiny snowman.

And then, the sharpest viewers will be able to find the chocolate coin hidden on the Christmas dinner table.

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