my @c = ( 22, 44, 55 );
  my @d = ( 'yy', 'tt' );
# or
  my @d = qw(yy tt);

##</code><code>##

  $b[0] = \@c; # hold a reference to @c.
  $b[1] = \@d;

##</code><code>##

  my @e = @{$b[1]};