<lorimer> you blow AAAAA, you get one gear. you know there is exactly one A in the key
<lorimer> next, you blow ABBBB. you get one gear and one tumbler. you now know there is exactly one A and one B, and you know that one of the B's is right and your A is wrong
<lorimer> so now you blow CABCC...
<lorimer> and if you're cute, female, and over 18, you blow lorimer