We love coffee and resent anything that stands in our way of drinking a cup. So, this coffee riddle from Twitter that’s going viral is officially our least favorite thing on the internet right now.

This is essentially the coffee equivalent of The Dress, though it’s more of a riddle than an optical illusion. A Twitter user named Purp posted the image on November 9th, according to Indy100, but it’s so mind-bending that people are still talking about it days later.

It shows a mouth-watering carafe of coffee (are you salivating yet?) “being poured into a network of pipes which lead to four different mugs,” Indy100 reports. However, the brainteaser is actually way simpler than it looks. But it also baffled a lot of people — as of press time, the original post has about 4,600 likes, 2,100 retweets, and 2,200 replies. That’s because the devil is totally in the details.

Purp sums up the challenge in her original tweet: