Google 2 Factor Authentication from backups

You will need to use a "backup" code to get in and set up the 2 Factor Authentication properly....

 <-------backup code

Sign in with a backup code

1. Find your backup codes. (ABOVE)
2. Sign in to your Google Account.
3. Click Try another way.
4. Click Enter one of your 8-digit backup codes.
5. Enter your unused backup code.