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module Main where
import Data.Char (digitToInt)
import Data.List (sort)
import Utils (binaryToInt)
doValidate = binaryToInt . map readBin
readBin s | s `elem` "FL" = '0'
| otherwise = '1'
main :: IO ()
main = do
n <- lines <$> readFile "input/05"
let valids = sort $ map doValidate n
ans1 = maximum valids
print ans1
print $ (+1) . fst . head . dropWhile ((==1) . uncurry (flip (-))) . (zip <*> tail) $ valids
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