Advent of Code

   sub y{2019}

--- Day 4: Secure Container ---

You arrive at the Venus fuel depot only to discover it's protected by a password. The Elves had written the password on a sticky note, but someone threw it out.

However, they do remember a few key facts about the password:

Other than the range rule, the following are true:

How many different passwords within the range given in your puzzle input meet these criteria?

To play, please identify yourself via one of these services:

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