I find that 20 and 25 hours is too little. You need to spend a considerable time in office just to be part of what's going on. However 30-35h where perfect. Yo

I find that 20 and 25 hours is too little. You need to spend a considerable time in office just to be part of what's going on. However 30-35h where perfect. You get stuff done, you are not too far out of the loop, especially if others do the same, you are still able to rest enough.