$VAR1 = [
          [
            '21'
          ],
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          undef,
          [
            '2a2a212a232a242a2a5a2a2a2a2a262a2a2a2a2a2a7a2a8a2a2a9a',
            undef,
            '1d',
            undef,
            undef,
            undef,
            undef,
            undef,
            undef,
            undef,
            undef,
            undef,
            '9a',
            undef,
            '1b'
          ],
          [
            undef,
            undef,
            undef,
            '22',
            undef,
            undef,
            undef,
            undef,
            '19'
          ]
        ];