$VAR1 = {
          '13' => 14,
          '7' => 8,
          '15' => 16,
          '9' => 10,
          '1' => 2,
          '17' => 18,
          '3' => 4,
          '19' => 20,
          '11' => 12,
          '5' => 6
        };

##</code><code>##

perl -MData::Dumper -e "%a= 1 .. 10, 2 .. 11 ;print Dumper \%a"

##</code><code>##

$VAR1 = {
          '13' => 14,
          '7' => 8,
          '15' => 16,
          '9' => 10,
          '1' => 2,
          '17' => 18,
          '3' => 4,
          '19' => 20,
          '11' => 12,
          '5' => 6
        };