Distance from x 2 by BioFALSE

y/ox./-09/for@_=<>;
for(1..32){chomp,s/(?<=(\d))(.)/$2>$1?$1+1:$2/egfor@_;
$i=@D=();(map$D[$i].=chop,@_),$i++for@_;@_=@D}$,=$/,print@_

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

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