#!perl -anl\x0d sub G{my($x,$y)=@_;($x,$y)=($y,$x%$y)while$y;$x}sub M{$x=shift;$x=G$x,shift while@_;$x};print M@F if$.>1&&$.&1
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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