In this tips and tricks article, we describe a method that is very helpful in solving timetable-type questions in EPSO AST (EU assistant) organising and prioritising tests. Let's take a look at an example where you have to not one, but two ferries to get to a meeting, and you need to figure out how long you can tay if you want to make it back home the same day. To mix things up a bit, you also need to get a cab at the ferry port to get to the meeting.