foreach my $key (keys %HoA) {
    foreach my $value (values %HoA) {
        my @Array = $value;

##</code><code>##

for my $key (keys %HoA){    # loop through the keys
    my $value = $HoA{$key}; # get the array ref for this key
    my @Array = @{$value};  # dereference it to get the array