sub getArrayHash{
$hash1s->{$key1}->{$key2} = $hash1;
$hash2s->{$key1}->{$key2} = $hash2;
$hash3s->{$key1}->{$key2} = $hash3;
.
.
.
$hash20s->{$key1}->{$key2} = $hash20;

push( @hash_array, $hash1s, $hash2s, $hash3s, ..., $hash20s);

return \@hash_array;
}