There’s an intrusive letter in the following cards camouflaged among the others. A sharp look would allow us to find it in less than 10 seconds. Do you dare to try to see if you’re among the lucky folks who can do it?
1. You need full focus to solve it
2. It’ll get harder and harder, try your best
3. Time-limited is 15s, can you beat the clock?
4. How fast can you find it?
5. You’ll be a genius if solve it without cheating
6. Can you find the odd one out?