else {
   my $pos = -1;
   push @cPosns, $pos while ($pos = index($zazb, 'c', $pos+1)) >= 0;
   my $offset = $cPosns[rand @cPosns];
   $cell = sprintf '%.2f', popnum3( $x, $y, $copycop, $offset, );
} 

##</code><code>##

sub popnum3 {
    my ( $x, $y, $z, $offset ) = @_;
    if ( $y == 0 ) {
        $aob[$x][0] = $initial * ( 1 + $z );
    }
    else {
        while (1) {
            $aob[$x][$y] = $aob[$offset][ $y - 1 ] * ( 1 + $z );
            last;
        }
    }
    return $aob[$x][$y];
}


##</code><code>##

 my $pos = -1;
   push @cPosns, $pos while ($pos = index($zazb, 'c', $pos+1)) >= 0;

##</code><code>##

else {
   my $offset = $cPosns[rand @cPosns];
   $cell = sprintf '%.2f', popnum3( $x, $y, $copycop, $offset, );
}