This optical illusion IQ test asks: Can you help the woman find her lost puppy in 20 seconds?  

Many bizarre optical illusions have gone viral, leaving netizens confused.   

Visual illusions, whether photo puzzles or buried in paintings, are entertaining to solve.   

Visual illusions test your perception and observation skills.   

A viral school class photo invites people to find a woman's missing dog hiding in plain sight.  

This challenge is the hardest we've seen in a while because only 1% of individuals can find the lost puppy in the provided time.  

In the puzzle image, a woman posts a "missing dog" poster on a park board to appeal for help.  

She doesn't know the lost puppy is in the park with her.  

Somewhere amid this park's chaos, the missing puppy awaits its owner.  

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