Another day, another maddening internet optical illusion.
Monday's fayre comes to us from the Philippines, where Facebook user Jeya May Cruz uploaded a picture of the floor with the caption, "Let's play a game. Look for the cellphone."
Any luck? If you're stuck, scroll down for the answer...
We couldn't find it either. Sneaky bugger.
In a follow up post after thousands of people shared the image or complained about how the puzzle was driving them crazy, Cruz wrote:
Thank you everyone, I can’t believe this would become viral. I'm sorry if it made your eyes hurt and head ache ... Thank you again!