$VAR1 = [
          841,
          'bbb',
          '',
          'bbb',
          'bbb',
          undef,
          undef,
          undef,
          '',
          ''
        ];
$VAR2 = [
          842,
          'bbb',
          '',
          'ccc',
          'aaa',
          undef,
          undef,
          undef,
          '',
          ''
        ];
$VAR3 = [
          850,
          'bbb',
          '',
          'hhh',
          undef,
          undef,
          undef,
          undef,
          '',
          ''
        ];

###After

$VAR1 = [
          841,
          'bbb',
          '',
          'bbb',
          'bbb',
          undef,
          undef,
          undef,
          '',
          ''
        ];
$VAR2 = [
          842,
          'bbb',
          '',
          'ccc',
          'aaa',
          undef,
          undef,
          undef,
          '',
          ''
        ];
$VAR3 = [
          850,
          'bbb',
          '',
          'hhh',
          undef,
          undef,
          undef,
          undef,
          '',
          ''
        ];