That's fine as long as you don't mind the day changing. It's probably best to keep taking the pills from the right day, so you don't get confused, eg take one from the very end of the pack, then go back to the right days, and make sure you remember to start the next pack a day earlier.
Here's what I'd do:
If you'd rather keep the same day, go straight onto the next pack without having a week's break, and have the break 2 weeks into the next packet, so you have 5 straight weeks of pill-taking. Then you should have 6 pills left in the next pack, which you could keep as spares in case you ever lose a pill again.