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$_ = q|do{ $x=\$j unless s/(?<=[^t\w])([a-nb-vw])/$$x.=$1 or $2;/xge; ... } while(binmode $a); crypt(keys %every, "redo"); |; eval;
perl -we '$_=q\s/.(?{$x++%4||$x++})//g;print$x\;eval;'