$VAR1 = {
          'BAD' => [
                     'a foo a',
                     'foo bar',
                     'a foo a bar a'
                   ],
          'GOOD' => [
                      bless( [
                               bless( [
                                        bless( do{\(my $o = 'foo')}, 'str' ),
                                        ' '
                                      ], 'str' ),
                               bless( do{\(my $o = 'bar')}, 'str' )
                             ], 'str' ),
                      $VAR1->{'GOOD'}[0],
                      bless( [
                               $VAR1->{'GOOD'}[0][0][0],
                               ' a'
                             ], 'str' )
                    ]
        };

$VAR1 = {
          'BAD_GOOD' => [
                          bless( [
                                   '',
                                   bless( [
                                            bless( [
                                                     'a ',
                                                     bless( do{\(my $o = 'foo')}, 'str' )
                                                   ], 'str' ),
                                            ' a'
                                          ], 'str' )
                                 ], 'str' ),
                          bless( [
                                   '',
                                   bless( [
                                            bless( [
                                                     $VAR1->{'BAD_GOOD'}[0][1][0][1],
                                                     ' '
                                                   ], 'str' ),
                                            bless( do{\(my $o = 'bar')}, 'str' )
                                          ], 'str' )
                                 ], 'str' ),
                          bless( [
                                   '',
                                   bless( [
                                            bless( [
                                                     bless( [
                                                              bless( [
                                                                       'a ',
                                                                       $VAR1->{'BAD_GOOD'}[0][1][0][1]
                                                                     ], 'str' ),
                                                              ' a '
                                                            ], 'str' ),
                                                     $VAR1->{'BAD_GOOD'}[1][1][1]
                                                   ], 'str' ),
                                            ' a'
                                          ], 'str' )
                                 ], 'str' )
                        ]
        };