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  1. or download this
    my @array = (1,2,3);
    my @2darray = (\@array, \@array, \@array);
    ...
                  );
    
    print $3darray[0][3][3]; # yields 33
    
  2. or download this
    package foo;
    
    ...
    my $new_object = new foo;
    my $array_ref = $new_object->{an_array_of_arrays};
    print $array_ref->[1][1];