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kawakami-o3/gist:3692313

Created September 10, 2012 17:26
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gistfile1.txt
import Text.Printf
printer :: [[Int]] -> IO ()
printer = mapM_ (\x -> do
mapM (printf "%3d") x
putStrLn "")
main = printer [[x*y|x<-[1..9]]|y<-[1..9]]
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