If you by mistake swap your CIE and Edexcel centre no. but everything else written is right as in ur candidate no. and name.
What Happens ![Huh? ???](https://studentforums.biz/Smileys/default/huh.gif)
it dosent Matter i think because the exam center sends all the papers bundled together in packs i think
with the center numbers & all the details in them , so they can identfy u r paper