To car normally function so you must carry out this action:

1. Made copy set so to you are had three identically like copy

2. Rename be as, to be like each other file name only first issue on 1 and 2

3. Now that is all, as far as near set isn't next set with other colours (eg.: cordCa01.4ds), so too them gone copy and rename on first issue on 1 and 2.
(cordCa01.4ds, cordCa11.4ds, cordCa21.4ds)