In the IT department of backrub, the administrator password is changed every mon

In the IT department of backrub, the administrator password is changed every month. The team of administrator, spread across the globe, receive an 8 digits number via email. This number is to be prefixed with a single digit number and suffixed with a single digit number to get the actual password. The password is divisible by 11 and 8. If the team received 54218345 this month. Then which of the following pairs give valid prefix and
suffix respectively?

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