I ended up with a few duplicate in my Cute folder and came to the following conclusion. The beginning numbers remain the same. It maybe that she tries to separate the freebies from the purchased ones.
Thanks for your reply. I think that each format has a different number. For example on today's freebie, XXX ends with 1180, and VIP is 1181 on up through ART which is 1190. I don't already have today's freebie, but they are voting on Christmas Cat #22471 and I have a freebie that I downloaded in 2010 which looks exactly the same, but the number I have is 11206. That is what has me confused.