fUSiON

On my way home now I managed to do the unthinkable, I topped off the tank with diesel. Had about 40 liters of petrol in it and topped it with 16 liters of diesel. Drove almost 10 miles from the station to my house. It just hit me right before I parked, checked the receipt and what do you know, it says diesel. After some reading it seems that petrol in a diesel car is really bad, but diesel in a petrol car is not as bad, and if I'm lucky I only have to change a few things after draining it. The car is an Octavia II 1.6 MPi 2007 (55L tank). My questions, how easy is it to do the repairs myself? And what do I need if I try to do it. What do I need to do after I drain the tank? Replace the gas filter, clean the spark plugs and add some gas cleaner additive? Is there a slight chance that the car is undamaged after the 10 miles of driving? And yes, if you only want to make a funny remark about my situation I welcome it. Can't believe how stupid I am...