This logical sequence of numbers may drive you mad, but it is possible to find the solution. Just forget everything you know about numbers!
Here is a sequence of numbers: 1 - 11 - 21 - 1211 - 111221 - 312211 - ???
It may seem complicated at first glance, and yet there is nothing simpler when you know what the answer is! You don’t need to do any calculations, even a primary school child who can only count up to 3 can figure it out. Intriguing isn’t it?
Once you've taken a minute to think about it, check out the video above for the solution to this fiendish brain teaser!