There is now an option to re-order circuits at any stage but this is particularly useful after copying an existing certificate into a new one when the circuit arrangement doesn't tally up in the new DB. 

For example the image below shows an existing board which requires new / extra circuits in a new order:



The image below shows the newly added circuits which are now in the wrong order:



Click the re-order circuits button as shown below:



Using the method below drag the newly added circuits into the required position:



The circuit arrangement will now look like this: