Meter reading

Hello there is only 5 boxes to write my gas meter reading in but there is 8 digits on my meter? 5 then 3 with a red outline?

This guidance may be of help https://help.bulb.co.uk/hc/en-us/articles/115001232832-How-do-I-read-my-meter-

@Allanr on it again, it’s the five numbers that aren’t outlined in red that we need @Lauren1989