Double Parity Vertical Redundancy Check by notogawa

main=interact$f.lines
f s=unlines[["01"!!mod(read[l!!n]+g(map(!!n)s)*g l)2|n<-[0..7]]|l<-s]
g=sum.map(read.(:[]))

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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