How to assemble an Ikea [computer] desk

In the background of the last post, you can see Ikea desks. We have a lot of Ikea furniture here; it's been something of a trial unloading, unpacking and building it in the current hot weather. At least we were sober, though! (Thanks to GMSV for the link!) It takes 2 PhDs in Engineering to assemble some items though.