>if we took all capital letters, all numbers, and 6 punctuation characters, we'd end up with ~67 unique characters, for a combined 82 billion permutations. 82

>if we took all capital letters, all numbers, and 6 punctuation characters, we'd end up with ~67 unique characters, for a combined 82 billion permutations. 82 billion may sound like a lot but it is not. Suppose you had a few multi-core machines that could collectively get up to 1 million crack attempts per second. Now you can crack that password in 82,000 seconds, or under one day.