You can see some more routes here and also on 2Drerun:https://events.loggator.com/ctJzcbj3fXbQnjcj
11-12, my option was slow. Staying on the top like Olav or Frédéric was better.
17-18, I thought it was a smart route. But the two cliffs after the crossing were hard to pass and slowed down the pace quite much. I also had to slow down a lot to figure out where was the control.