It depends on the flight route. Looks like as they fly straight to Italy and then on to NCE:
http://www.flightradar24.com/data/fl...lx560/#6eefdbf
In this case, I would seat on right side ZRH-NCE and left back.
Here you can enter your fligth numbers check the last routings of your flight:
http://www.flightradar24.com/data/

Swiss/Italian Alps - Flight F7 ZRH-LUG (same route)