This puzzle was then posted on Twitter last Christmas by the British army. In the image, the most insightful observers are tasked with finding the 6 hidden soldiers in their camouflage uniforms. And it’s not easy to do.
Fortunately, on Boxing Day, they revealed the answer. And we have to admit, we certainly couldn’t find them all on our own! Can you do any better?
And if you like brain teasers like this, check out this one and try and find the hidden snake!