I think I did enough Googling to feel ok about posting this question because I haven't found an answer out there yet. Forgive me if I missed a post that already addresses this. I've found info on "Carrera" placement but what about the "4". I would imagine to get the entire thing centered, the instructions need to be different for the C4. Any info would be much appreciated.

 

Try www.renntech.org. They have lots of technical stuff like this.