luke on llandow you will find it better to run nearly all tyres at different cold temps. front left gets hotter than all the others as you know.

what i do is front cold 28 and rear 29 for first run then pit and check pressures and lower them when their hot to around 30-32. this way you save the faff of guessin cold temps.

i run rears higher than front for less rear grip usually 34 to 35 hot. when your tyres go cold later you can check the cold temps and start on these for future. just avoid hitting curbs hard until after first few laps.