The challenge is to spot the four-leaf clover hidden among the playing cards. It's a bewildering, busy image and you have a very short 15 seconds to complete the task.

YOU must have 20/20 vision if you can spot the four-leaf clover amongst the playing cards in this latest optical illusion.This tricky brainteaser. Jump directly to the content.

YOU must have 20/20 vision if you can spot the four-leaf clover amongst the playing cards in this latest optical illusion.This tricky brainteaser. Jump directly to the content. Irish Sun.

However, because playing cards already have a long history, the Clover suit is colloquially called Cubs, and the Leaf suit is known as Spades (as in Pikes, an evolution from the Italian Baton).

The challenge is to spot the four-leaf clover hidden among the playing cards. It's a bewildering, busy image and you have a very short 15 seconds to complete the task.