For anyone who doesn't have the time to break this down, basically it breaks down like this: 42.zip > lib {0-f}.zip > book {0-f}.zip -> chapter {0-f}.zip -> do

For anyone who doesn't have the time to break this down, basically it breaks down like this: 42.zip > lib {0-f}.zip > book {0-f}.zip -> chapter {0-f}.zip -> doc {0-f}.zip -> page {0-f}.zip -> 0.dll where {0-f} should be expanded to 0 1 2 3 4 5 6 7 8 9 a b c d e f and 0.dll is a 4GB file $ head -c 1000 0.dll |od -c 0000000 252 252 252 252 252 252 252 252 252 252 252 252 252 252 252 252 * 0001740 252 252 252 252 252 252 252 252 0001750 or loads of <AA>'s when viewed in less.