Kind of hard to read that, however, the way they are saved on a phone can change when the phone updates, or an app updates. And some phones just refuse to keep an order other than their own.
First try restarting the phone. If they are there, but just shifted or not showing they then should show up after the restart.
If they have just been moved around, order changed, then you will have to either try and change it back, or uninstall whatever you installed between the time when the order was OK and now. That may be the only way to resolve it.
If they have just vanished, while there is no guaranty that you can get them back. Deleted does mean deleted. There are a few apps/programs out there that 'may' be able to help you recover the...