To start this treasure map for yourself, you’ll need to head to the camp and canteen area outside Naku Tedek in Emerald Stair, and then climb across a fallen tree trunk leading to a ruin.

Who hasn’t struggled to fit a sofa through a tight corner or a cramped stairwell? Within this seemingly trivial conundrum actually lies one of the most fascinating mathematical problems of our time.

To start this treasure map for yourself, you’ll need to head to the camp and canteen area outside Naku Tedek in Emerald Stair, and then climb across a fallen tree trunk leading to a ruin.