That's because 123456 is a common password, as is abcdefg, so they're assuming that they will be in dictionaries and rainbow files, so they count them as a sing

That's because 123456 is a common password, as is abcdefg, so they're assuming that they will be in dictionaries and rainbow files, so they count them as a single letter. Your first password, they interpret as aa! Your second, a!a Your third, a1!23456 Your fourth, a!bcdefga